US Bridges

US 22 (lr 772) over Pa 512(LR 48046)

Fair

Northampton County, Pennsylvania · Pa 512 Interchange · Structure no. 000000000028473

Built
1954
71 years old, rebuilt 1979
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
94,431
2024 count
Owner
State
State Highway Agency

About this bridge

US 22 (lr 772) over Pa 512(LR 48046) is a steel stringer/multi-beam or girder carrying US 22 (lr 772) over Pa 512(LR 48046) in Northampton County, Pennsylvania. It was built in 1954 and reconstructed in 1979, 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 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 94,431 vehicles a day, roughly 8% of them trucks, projected to reach 92,593 by 2036. The structure is 70 ft (21.3 m) long and 84 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesUS 22 (lr 772)
CrossesPa 512(LR 48046)
LocationPa 512 Interchange
RouteU.S. Route 22
CountyNorthampton County
StatePennsylvania
Coordinates40.66277, -75.38396
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span65 ft (19.8 m)
Deck width84 ft (25.5 m)
Roadway width78 ft (23.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic94,431 (2024)
Projected traffic92,593 by 2036
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$461,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 22 (lr 772) over Pa 512(LR 48046) built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1979.

What condition is US 22 (lr 772) over Pa 512(LR 48046) 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 February 2023.

How much traffic does US 22 (lr 772) over Pa 512(LR 48046) carry?

About 94,431 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is US 22 (lr 772) over Pa 512(LR 48046)?

The structure is 70 ft (21.3 m) long with a longest span of 65 ft (19.8 m) and a deck 84 ft wide.

Who owns US 22 (lr 772) over Pa 512(LR 48046)?

It is owned by the State Highway Agency.