US Bridges

Thompson AV(CO525) over US 22

Fair

Somerset County, New Jersey · 0.8 MI East of I-287 JCT · Structure no. 1803151

Built
1953
72 years old, rebuilt 2007
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
129 ft
2 main spans
Daily traffic
6,525
2023 count
Owner
State
State Highway Agency

About this bridge

Thompson AV(CO525) over US 22 is a steel stringer/multi-beam or girder carrying Thompson AV(CO525) over US 22 in Somerset County, New Jersey. It was built in 1953 and reconstructed in 2007, so it is 72 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 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 6,525 vehicles a day, roughly 3% of them trucks, projected to reach 7,830 by 2043. The structure is 129 ft (39.3 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesThompson AV(CO525)
CrossesUS 22
Location0.8 MI East of I-287 JCT
RouteCounty Highway 525
CountySomerset County
StateNew Jersey
Coordinates40.575, -74.55283
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating87 US tons
Inventory rating52 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length129 ft (39.3 m)
Longest span62 ft (18.9 m)
Deck width43 ft (13.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,525 (2023)
Projected traffic7,830 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$164,000 (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Thompson AV(CO525) over US 22 built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 2007.

What condition is Thompson AV(CO525) over US 22 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 Thompson AV(CO525) over US 22 carry?

About 6,525 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Thompson AV(CO525) over US 22?

The structure is 129 ft (39.3 m) long with a longest span of 62 ft (18.9 m) and a deck 43 ft wide.

Who owns Thompson AV(CO525) over US 22?

It is owned by the State Highway Agency.