US Bridges

Pa Tpk (I-476) over SR 4055 Lr 09109

Fair

Bucks County, Pennsylvania · West of Trumbauersville · Structure no. 000000000007705

Built
1955
70 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
160 ft
3 main spans
Daily traffic
50,307
2004 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-476) over SR 4055 Lr 09109 is a steel continuous stringer/multi-beam or girder carrying Pa Tpk (I-476) over SR 4055 Lr 09109 in Bucks County, Pennsylvania. It was built in 1955, 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 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 50,307 vehicles a day, roughly 15% of them trucks, projected to reach 78,780 by 2030. The structure is 160 ft (48.8 m) long and 63 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPa Tpk (I-476)
CrossesSR 4055 Lr 09109
LocationWest of Trumbauersville
RouteInterstate 476
Coordinates40.41794, -75.41476
Functional classUrban Principal Arterial - Interstate

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span63 ft (19.2 m)
Deck width63 ft (19.2 m)
Roadway width55 ft (16.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50,307 (2004)
Projected traffic78,780 by 2030
Trucks15%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$441,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pa Tpk (I-476) over SR 4055 Lr 09109 built?

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

What condition is Pa Tpk (I-476) over SR 4055 Lr 09109 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 Pa Tpk (I-476) over SR 4055 Lr 09109 carry?

About 50,307 vehicles per day (2004 count), of which roughly 15% are trucks.

How long is Pa Tpk (I-476) over SR 4055 Lr 09109?

The structure is 160 ft (48.8 m) long with a longest span of 63 ft (19.2 m) and a deck 63 ft wide.

Who owns Pa Tpk (I-476) over SR 4055 Lr 09109?

It is owned by the State Toll Authority.