US Bridges

Pa Tpk (I-76) over CSX Railroad

Good

Somerset County, Pennsylvania · Somerset · Structure no. 000000000031802

Built
2004
21 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
72 ft
1 main span
Daily traffic
29,452
1999 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-76) over CSX Railroad is a steel stringer/multi-beam or girder carrying Pa Tpk (I-76) over CSX Railroad in Somerset County, Pennsylvania. It was built in 2004, so it is 21 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 29,452 vehicles a day, roughly 36% of them trucks, projected to reach 34,324 by 2030. The structure is 72 ft (21.9 m) long and 99 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesPa Tpk (I-76)
CrossesCSX Railroad
LocationSomerset
CountySomerset County
StatePennsylvania
Coordinates40.01465, -79.07359
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating71 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length72 ft (21.9 m)
Longest span69 ft (21 m)
Deck width99 ft (30.3 m)
Roadway width47 ft (14.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,452 (1999)
Projected traffic34,324 by 2030
Trucks36%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$367,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pa Tpk (I-76) over CSX Railroad built?

It was built in 2004, making it 21 years old in 2025.

What condition is Pa Tpk (I-76) over CSX Railroad in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does Pa Tpk (I-76) over CSX Railroad carry?

About 29,452 vehicles per day (1999 count), of which roughly 36% are trucks.

How long is Pa Tpk (I-76) over CSX Railroad?

The structure is 72 ft (21.9 m) long with a longest span of 69 ft (21 m) and a deck 99 ft wide.

Who owns Pa Tpk (I-76) over CSX Railroad?

It is owned by the State Toll Authority.