US Bridges

US 22 WB over Mountain Ave (cr. 635)

Fair

Union County, New Jersey · 4.24 MI West of Gsp · Structure no. 2003158

Built
1941
84 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
55 ft
1 main span
Daily traffic
72,310
2023 count
Owner
State
State Highway Agency

About this bridge

US 22 WB over Mountain Ave (cr. 635) is a steel stringer/multi-beam or girder carrying US 22 WB over Mountain Ave (cr. 635) in Union County, New Jersey. It was built in 1941, so it is 84 years old, older than the New Jersey average of 58.5 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 72,310 vehicles a day, roughly 4% of them trucks, projected to reach 88,232 by 2043. The structure is 55 ft (16.8 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 22 WB
CrossesMountain Ave (cr. 635)
Location4.24 MI West of Gsp
RouteU.S. Route 22
CountyUnion County
StateNew Jersey
Coordinates40.68469, -74.33664
Functional classUrban Other Principal Arterial

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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length55 ft (16.8 m)
Longest span51 ft (15.5 m)
Deck width47 ft (14.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72,310 (2023)
Projected traffic88,232 by 2043
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$573,000 (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 22 WB over Mountain Ave (cr. 635) built?

It was built in 1941, making it 84 years old in 2025.

What condition is US 22 WB over Mountain Ave (cr. 635) 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 June 2023.

How much traffic does US 22 WB over Mountain Ave (cr. 635) carry?

About 72,310 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is US 22 WB over Mountain Ave (cr. 635)?

The structure is 55 ft (16.8 m) long with a longest span of 51 ft (15.5 m) and a deck 47 ft wide.

Who owns US 22 WB over Mountain Ave (cr. 635)?

It is owned by the State Highway Agency.