US Bridges

SR4015 over South Branch Plum Creek

Fair

Indiana County, Pennsylvania · Ambrose · Structure no. 000000000019397

Built
1957
68 years old
Condition
Fair
inspected February 2023
Type
Tee Beam
Concrete
Length
25 ft
1 main span
Daily traffic
393
2023 count
Owner
State
State Highway Agency

About this bridge

SR4015 over South Branch Plum Creek is a concrete tee beam carrying SR4015 over South Branch Plum Creek in Indiana County, Pennsylvania. It was built in 1957, so it is 68 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 5 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 393 vehicles a day, roughly 10% of them trucks, projected to reach 534 by 2032. The structure is 25 ft (7.6 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSR4015
CrossesSouth Branch Plum Creek
LocationAmbrose
RouteState Highway 0
Coordinates40.77126, -79.11024
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating47 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic393 (2023)
Projected traffic534 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR4015 over South Branch Plum Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is SR4015 over South Branch Plum Creek 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 SR4015 over South Branch Plum Creek carry?

About 393 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SR4015 over South Branch Plum Creek?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 31 ft wide.

Who owns SR4015 over South Branch Plum Creek?

It is owned by the State Highway Agency.