US Bridges

Davidson Ave. over I-287

Fair

Somerset County, New Jersey · 0.26 MI N of CR 527 · Structure no. 1812153

Built
1960
65 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
290 ft
4 main spans
Daily traffic
8,727
2023 count
Owner
State
State Highway Agency

About this bridge

Davidson Ave. over I-287 is a steel stringer/multi-beam or girder carrying Davidson Ave. over I-287 in Somerset County, New Jersey. It was built in 1960, so it is 65 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 8,727 vehicles a day, roughly 3% of them trucks, projected to reach 10,649 by 2043. The structure is 290 ft (88.4 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesDavidson Ave.
CrossesI-287
Location0.26 MI N of CR 527
RouteCity Street 0
CountySomerset County
StateNew Jersey
Coordinates40.53921, -74.52161
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating53 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length290 ft (88.4 m)
Longest span105 ft (32 m)
Deck width45 ft (13.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,727 (2023)
Projected traffic10,649 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Davidson Ave. over I-287 built?

It was built in 1960, making it 65 years old in 2025.

What condition is Davidson Ave. over I-287 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 April 2023.

How much traffic does Davidson Ave. over I-287 carry?

About 8,727 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Davidson Ave. over I-287?

The structure is 290 ft (88.4 m) long with a longest span of 105 ft (32 m) and a deck 45 ft wide.

Who owns Davidson Ave. over I-287?

It is owned by the State Highway Agency.