US Bridges

US 22(LR 771) over TWP.RD.603* 15th Street

Fair

Lehigh County, Pennsylvania · 15th St.Interchange · Structure no. 000000000022957

Built
1953
72 years old, rebuilt 2021
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
81 ft
1 main span
Daily traffic
76,351
2023 count
Owner
State
State Highway Agency

About this bridge

US 22(LR 771) over TWP.RD.603* 15th Street is a steel stringer/multi-beam or girder carrying US 22(LR 771) over TWP.RD.603* 15th Street in Lehigh County, Pennsylvania. It was built in 1953 and reconstructed in 2021, so it is 72 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 76,351 vehicles a day, roughly 13% of them trucks, projected to reach 113,423 by 2032. The structure is 81 ft (24.7 m) long and 103 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 22(LR 771)
CrossesTWP.RD.603* 15th Street
Location15th St.Interchange
RouteU.S. Route 22
Coordinates40.6185, -75.50112
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionSeptember 2023
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 alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating60 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length81 ft (24.7 m)
Longest span75 ft (22.9 m)
Deck width103 ft (31.4 m)
Roadway width96 ft (29.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic76,351 (2023)
Projected traffic113,423 by 2032
Trucks13%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 22(LR 771) over TWP.RD.603* 15th Street built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 2021.

What condition is US 22(LR 771) over TWP.RD.603* 15th Street 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 US 22(LR 771) over TWP.RD.603* 15th Street carry?

About 76,351 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is US 22(LR 771) over TWP.RD.603* 15th Street?

The structure is 81 ft (24.7 m) long with a longest span of 75 ft (22.9 m) and a deck 103 ft wide.

Who owns US 22(LR 771) over TWP.RD.603* 15th Street?

It is owned by the State Highway Agency.