US Bridges

Bridge ST over Pine Creek

Fair

Allegheny County, Pennsylvania · At Etna Interchange · Structure no. 000000000001355

Built
1955
70 years old, rebuilt 2012
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
98 ft
2 main spans
Daily traffic
4,483
2024 count
Owner
State
State Highway Agency

About this bridge

Bridge ST over Pine Creek is a steel stringer/multi-beam or girder carrying Bridge ST over Pine Creek in Allegheny County, Pennsylvania. It was built in 1955 and reconstructed in 2012, so it is 70 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 4,483 vehicles a day, roughly 6% of them trucks, projected to reach 11,583 by 2032. The structure is 98 ft (29.9 m) long and 57 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesBridge ST
CrossesPine Creek
LocationAt Etna Interchange
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.49592, -79.94038
Functional classUrban Minor 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
Deck7 GoodSome minor problems.
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating86 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length98 ft (29.9 m)
Longest span48 ft (14.6 m)
Deck width57 ft (17.3 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,483 (2024)
Projected traffic11,583 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$495,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Bridge ST over Pine Creek built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 2012.

What condition is Bridge ST over Pine 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 September 2023.

How much traffic does Bridge ST over Pine Creek carry?

About 4,483 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Bridge ST over Pine Creek?

The structure is 98 ft (29.9 m) long with a longest span of 48 ft (14.6 m) and a deck 57 ft wide.

Who owns Bridge ST over Pine Creek?

It is owned by the State Highway Agency.