US Bridges

SR 45 (TR-45) over Over Bull Run

Fair

Union County, Pennsylvania · Village of Linntown · Structure no. 000000000033415

Built
1938
87 years old, rebuilt 1990
Condition
Fair
inspected February 2023
Type
Tee Beam
Concrete
Length
33 ft
1 main span
Daily traffic
9,622
2024 count
Owner
State
State Highway Agency

About this bridge

SR 45 (TR-45) over Over Bull Run is a concrete tee beam carrying SR 45 (TR-45) over Over Bull Run in Union County, Pennsylvania. It was built in 1938 and reconstructed in 1990, so it is 87 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 9,622 vehicles a day, roughly 8% of them trucks, projected to reach 16,838 by 2032. The structure is 33 ft (10.1 m) long and 43 ft wide. If it were closed, the detour would be 69 mi (111 km).

Location

Open in Google Maps
CarriesSR 45 (TR-45)
CrossesOver Bull Run
LocationVillage of Linntown
RouteState Highway 45
CountyUnion County
StatePennsylvania
Coordinates40.95732, -76.90886
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span32 ft (9.8 m)
Deck width43 ft (13.1 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,622 (2024)
Projected traffic16,838 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed69 mi (111 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 45 (TR-45) over Over Bull Run built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1990.

What condition is SR 45 (TR-45) over Over Bull Run in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2023.

How much traffic does SR 45 (TR-45) over Over Bull Run carry?

About 9,622 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is SR 45 (TR-45) over Over Bull Run?

The structure is 33 ft (10.1 m) long with a longest span of 32 ft (9.8 m) and a deck 43 ft wide.

Who owns SR 45 (TR-45) over Over Bull Run?

It is owned by the State Highway Agency.