US Bridges

SR 4013 over Gensimore Run

Fair

Huntingdon County, Pennsylvania · 2 Mi.Se.Of Birmingham · Structure no. 000000000018885

Built
1959
66 years old, rebuilt 2022
Condition
Fair
inspected April 2023
Type
Slab
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
376
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4013 over Gensimore Run is a prestressed concrete slab carrying SR 4013 over Gensimore Run in Huntingdon County, Pennsylvania. It was built in 1959 and reconstructed in 2022, so it is 66 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 376 vehicles a day, roughly 8% of them trucks, projected to reach 417 by 2032. The structure is 26 ft (7.9 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR 4013
CrossesGensimore Run
Location2 Mi.Se.Of Birmingham
RouteState Highway 0
Coordinates40.64254, -78.1707
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95 US tons
Inventory rating57 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width36 ft (11 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic376 (2024)
Projected traffic417 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4013 over Gensimore Run built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2022.

What condition is SR 4013 over Gensimore 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 April 2023.

How much traffic does SR 4013 over Gensimore Run carry?

About 376 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is SR 4013 over Gensimore Run?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 36 ft wide.

Who owns SR 4013 over Gensimore Run?

It is owned by the State Highway Agency.