US Bridges

Pa Tpk (I-76) over T-466

Fair

Chester County, Pennsylvania · Near TR113 & TR401 JCT · Structure no. 000000000010748

Built
1950
75 years old, rebuilt 1991
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
25 ft
1 main span
Daily traffic
47,120
2004 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-76) over T-466 is a concrete tee beam carrying Pa Tpk (I-76) over T-466 in Chester County, Pennsylvania. It was built in 1950 and reconstructed in 1991, so it is 75 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 47,120 vehicles a day, roughly 18% of them trucks, projected to reach 56,710 by 2030. The structure is 25 ft (7.6 m) long and 86 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesPa Tpk (I-76)
CrossesT-466
LocationNear TR113 & TR401 JCT
RouteInterstate 76
Coordinates40.06133, -75.62767
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating61 US tons
Inventory rating37 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span22 ft (6.7 m)
Deck width86 ft (26.2 m)
Roadway width78 ft (23.8 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic47,120 (2004)
Projected traffic56,710 by 2030
Trucks18%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$244,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pa Tpk (I-76) over T-466 built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1991.

What condition is Pa Tpk (I-76) over T-466 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 July 2024.

How much traffic does Pa Tpk (I-76) over T-466 carry?

About 47,120 vehicles per day (2004 count), of which roughly 18% are trucks.

How long is Pa Tpk (I-76) over T-466?

The structure is 25 ft (7.6 m) long with a longest span of 22 ft (6.7 m) and a deck 86 ft wide.

Who owns Pa Tpk (I-76) over T-466?

It is owned by the State Toll Authority.