US Bridges

US 22 (lr 772) over Pa 191 & Monocacy Cr.

Fair

Northampton County, Pennsylvania · Pa 191 Interchange · Structure no. 000000000028477

Built
1954
71 years old, rebuilt 1998
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
353 ft
5 main spans
Daily traffic
94,335
2024 count
Owner
State
State Highway Agency

About this bridge

US 22 (lr 772) over Pa 191 & Monocacy Cr. is a steel continuous stringer/multi-beam or girder carrying US 22 (lr 772) over Pa 191 & Monocacy Cr. in Northampton County, Pennsylvania. It was built in 1954 and reconstructed in 1998, 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 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 94,335 vehicles a day, roughly 4% of them trucks, projected to reach 80,669 by 2032. The structure is 353 ft (107.6 m) long and 64 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesUS 22 (lr 772)
CrossesPa 191 & Monocacy Cr.
LocationPa 191 Interchange
RouteU.S. Route 22
Coordinates40.67836, -75.34256
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
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length353 ft (107.6 m)
Longest span88 ft (26.8 m)
Deck width64 ft (19.4 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic94,335 (2024)
Projected traffic80,669 by 2032
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
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$1.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 22 (lr 772) over Pa 191 & Monocacy Cr. built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1998.

What condition is US 22 (lr 772) over Pa 191 & Monocacy Cr. 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 August 2023.

How much traffic does US 22 (lr 772) over Pa 191 & Monocacy Cr. carry?

About 94,335 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is US 22 (lr 772) over Pa 191 & Monocacy Cr.?

The structure is 353 ft (107.6 m) long with a longest span of 88 ft (26.8 m) and a deck 64 ft wide.

Who owns US 22 (lr 772) over Pa 191 & Monocacy Cr.?

It is owned by the State Highway Agency.