US Bridges

T-523 over Pa Tpk I-76

Good

Chester County, Pennsylvania · W. of Downingtown Int. · Structure no. 000000000069644

Built
2022
3 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
184 ft
2 main spans
Daily traffic
947
2000 count
Owner
Toll Authority
State Toll Authority

About this bridge

T-523 over Pa Tpk I-76 is a prestressed concrete continuous stringer/multi-beam or girder carrying T-523 over Pa Tpk I-76 in Chester County, Pennsylvania. It was built in 2022, so it is 3 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 947 vehicles a day, roughly 3% of them trucks, projected to reach 1,355 by 2030. The structure is 184 ft (56.1 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesT-523
CrossesPa Tpk I-76
LocationW. of Downingtown Int.
RouteCity Street 0T
Coordinates40.07514, -75.69653
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating72 US tons
Inventory rating46 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length184 ft (56.1 m)
Longest span91 ft (27.7 m)
Deck width43 ft (13 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic947 (2000)
Projected traffic1,355 by 2030
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was T-523 over Pa Tpk I-76 built?

It was built in 2022, making it 3 years old in 2025.

What condition is T-523 over Pa Tpk I-76 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2023.

How much traffic does T-523 over Pa Tpk I-76 carry?

About 947 vehicles per day (2000 count), of which roughly 3% are trucks.

How long is T-523 over Pa Tpk I-76?

The structure is 184 ft (56.1 m) long with a longest span of 91 ft (27.7 m) and a deck 43 ft wide.

Who owns T-523 over Pa Tpk I-76?

It is owned by the State Toll Authority.