US Bridges

TWP-357 over Pa Tpk (I-276)

Fair

Bucks County, Pennsylvania · South of Southampton · Structure no. 000000000007656

Built
1954
71 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
151 ft
3 main spans
Daily traffic
200
1992 count
Owner
Toll Authority
State Toll Authority

About this bridge

TWP-357 over Pa Tpk (I-276) is a steel stringer/multi-beam or girder carrying TWP-357 over Pa Tpk (I-276) in Bucks County, Pennsylvania. It was built in 1954, so it is 71 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 200 vehicles a day, roughly 7% of them trucks, projected to reach 315 by 2030. The structure is 151 ft (46 m) long and 32 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesTWP-357
CrossesPa Tpk (I-276)
LocationSouth of Southampton
RouteCity Street 0
CountyBucks County
StatePennsylvania
Coordinates40.15571, -75.03455
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating68 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length151 ft (46 m)
Longest span89 ft (27.1 m)
Deck width32 ft (9.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (1992)
Projected traffic315 by 2030
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

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$554,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was TWP-357 over Pa Tpk (I-276) built?

It was built in 1954, making it 71 years old in 2025.

What condition is TWP-357 over Pa Tpk (I-276) 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 2024.

How much traffic does TWP-357 over Pa Tpk (I-276) carry?

About 200 vehicles per day (1992 count), of which roughly 7% are trucks.

How long is TWP-357 over Pa Tpk (I-276)?

The structure is 151 ft (46 m) long with a longest span of 89 ft (27.1 m) and a deck 32 ft wide.

Who owns TWP-357 over Pa Tpk (I-276)?

It is owned by the State Toll Authority.