Opinion by
Judge Blatt,The Pittsburgh & Lake Erie Railroad Company (P&LE) and the County of Fayette (Fayette) have separately appealed a Public Utility Commission (PUC) final order imposing certain bridge rehabilitation costs upon them. We affirm1 the PUC order in each case.
Layton Bridge, in Perry Township, Fayette County, carries State Highway Route 26191 over P&LE’s single track right-of-way and the Youghiogheny River, and the Pennsylvania Department of Transportation (DOT) has maintained the bridge under legislative mandate2 and a 1969 PUC order. Because of the deterioration of the bridge’s wooden deck, the PUC *612directed an immediate weight limit reduction and instituted a further investigation. It then ordered DOT to prepare plans and cost estimates for the construction of a new wooden deck, at an estimated project cost of $489,934,3 of which $26,322 was attributable to the rehabilitation of that part of the bridge which spanned the railroad tracks. The PUC directed DOT initially to perform all rehabilitative work and it also ordered P&LE, upon completion, to reimburse DOT for 50% of the actual cost attributable to the rehabilitation of the railroad span. The PUC order likewise directed Fayette to reimburse DOT for 10% of the total cost of repairing the bridge.
In its appeal, P&LE argues that a 1969 order of the PUC which gave DOT responsibility for maintaining the bridge cannot now be altered to allocate a portion of the rehabilitative costs to another party without a showing of a change in conditions or circumstances.
Our review must be limited, of course, to determining whether or not constitutional rights have been violated, an error of law has been committed, or the Commission’s findings and order are supported by substantial evidence. Fairview Water Co. v. Pennsylvania Public Utility Commission, 55 Pa. Commonwealth Ct. 96, 422 A.2d 1209 (1980).
*613Section 2702(b) of the Public Utility Code (Code), 66 Pa. C. S. §2702 (b), vests the Commission with the exclusive power to determine and prescribe, by regulation or order, the manner in which highway-rail crossings may be constructed, altered, relocated, suspended or abolished, and the manner and conditions in or under which such crossings shall be maintained, operated and protected to effectuate the prevention of accidents and the promotion of public safety. Section 2702(c) of the Code, 66 Pa. C. S. §2702(c), empowers the Commission to order any public utility or municipal corporation concerned or the Commonwealth to perform this work, and under Section 2704 (a), 66 Pa. C. S. §2704(a), the PUC may allocate costs among these parties.
In addition, the PUC has the authority under Section 703(g), 66 Pa. C. S. §703(g), “at any time, after notice and after opportunity to be heard . . . [to] rescind or amend any order made by it.” The statute does not require that new evidence be presented before the PUC may rescind or amend a prior order. Tranter v. Public Utility Commission, 4 Pa. Commonwealth Ct. 585, 288 A.2d 837 (1972).4 P&LE mistakenly relies here on Scott Township v. Pennsylvania Public Utility Commission, 188 Pa. Superior Ct. 174, 146 A.2d 617 (1958), because the court there clearly did not mandate that evidence of changed conditions is necessary to justify a reallocation of maintenance responsibility. Further, P&LE’s claim contradicts the unambiguous wording of Section 703(g) which requires only notice and an opportunity to be heard, which were both clearly provided here.
*614In its appeal, Fayette contends that it should not bear a percentage of the cost of the entire bridge repair plan because only a single span traverses P&LE’s track.5 6 The PUC counters that it has exclusive jurisdiction over highway-rail crossings, supra note 2, as well as the approaches to those crossings, Springettsbury v. Public Utility Commission, 5 Pa. Commonwealth Ct. 102, 289 A.2d 762 (1972), that in this case the portion of the bridge not actually traversing P&LE’s tracks is a crossing approach and that it is therefore properly within the PUC’s jurisdiction.
The factual issue of the extent of an approach must turn on the particular circumstances of each case and a mere linear analysis is not controlling, Springettsbury, because the portions of a structure carrying traffic over a river cannot be separated from the portion carrying traffic over railroad tracks. Conshohocken Borough v. Pennsylvania Public Utility Commission, 135 Pa. Superior Ct. 295, 5 A.2d 590 (1939). We conclude, therefore, that the PUC can order the entire structure’s repair and allocate costs accordingly, and we also conclude that the order requiring Fayette’s 10% contribution is reasonable.
Moreover, we are not persuaded by the petitioners ’ argument that the provisions of Section 2702(b) of the Code, 66 Pa. C. S. §2702(b), require the PUC to allocate only those costs of maintenance directly related to an immediate danger to the safety and welfare of the public and that, because the painting of the bridge is not related to public safety, the cost thereof may not be allocated.6
*615The PUC’s authority to allocate costs is provided in Section 2704(a) of the Code, 66 Pa. C. S. §2704(a), which states that “the cost of construction, relocation, alteration, protection, or abolition of such crossing . . . shall be borne and paid ... by the public utilities or municipal corporations concerned, or by the Commonwealth, in such proper proportions as the commission may, after due notice and hearing, determine. ...” This section clearly does not require the PUC to establish that its apportionment of costs was related to the safety and welfare of the public.7
We must conclude, therefore, that, absent a showing that the PUC has otherwise abused its discretion, its assignment of costs in this case was proper.
Order
And Now, this 26th day of May, 1982, the Pennsylvania Public Utility Commission’s order, 1-77110287 adopted August 21, 1980 and entered September 24, 1980, is hereby affirmed.
Judge Mencer did not participate in the decision in this ease. Judge Palladino did not participate in the decision in this case.Although these cases were not formally consolidated, the factual context and the legal arguments are substantially the same and we will therefore deal with them in a single opinion.
Section 701 of the State Highway Law, Act of June 1, 1945, P.L. 1242, as amended, 36 P.S. §670-701, requires the Commonwealth to repair and maintain any bridge on a state highway route carrying vehicular traffic over a stream and public service facility. The PUC, however, has exclusive jurisdiction in highway-rail crossing *612cases, Bridgewater Borough v. Pennsylvania Public Utility Commission, 181 Pa. Superior Ct. 84, 124 A.2d 165 (1956), and in the event of a conflict between the State Highway Law and the Public Utility Law, the latter must prevail. Department of Transportation v. Public Utility Commission, 21 Pa. Commonwealth Ct. 407, 346 A.2d 371 (1975) (interpreting Section 411(a) of the Public Utility Law, Act of May 28, 1937, P.L. 1053, as amended, formerly 66 P.S. §1181 (a), repealed by the Act of July 1, 1978, P.L. 598. A similar provision is now found in 66 Pa. C. S. §2704(a)).
This includes excavation, structural backfill, replacement timbers, surface treatment, structural steel, structure removal and painting costs.
Interpreting Section 1007 of the Public Utility Law, Act of May 28, 1937, P.L. 1053, as amended, formerly 66 P.S. §1397, repealed by the Act of July 1, 1978, P.L. 598. A similar provision is now found in 66 Pa. O. S. §703(g).
This single span constitutes approximately 7.5% of the bridge’s total length.
The record reveals that of the $26,322 estimated to be attributable to the rehabilitation of the portion of the bridge spanning the railroad, $8,000 was allocated for painting and that of the total cost of repairing the bridge, $150,000 was attributable to painting.
The PUO, in apportioning these costs, is not limited to any fixed rule, Department of Transportation, and the law does not require the total expense to be prorated among the respective parties on a fixed percentage basis. Allegheny County Port Authority v. Pennsylvania Public Utility Commission, 207 Pa. Superior Ct. 299, 217 A.2d 810 (1966). The only requirement is that the order be just and reasonable. Id.