US Bridges

Decatur Street over I-80

Fair

Warren County, New Jersey · 0.37 MI W of Nj 94 JCT · Structure no. 2114160

Built
1953
72 years old
Condition
Fair
inspected March 2023
Type
Frame
Concrete Continuous
Length
131 ft
2 main spans
Daily traffic
1,575
2023 count
Owner
State
State Highway Agency

About this bridge

Decatur Street over I-80 is a concrete continuous frame carrying Decatur Street over I-80 in Warren County, New Jersey. It was built in 1953, 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 1,575 vehicles a day, roughly 3% of them trucks, projected to reach 1,890 by 2043. The structure is 131 ft (39.9 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesDecatur Street
CrossesI-80
Location0.37 MI W of Nj 94 JCT
RouteCity Street 80
CountyWarren County
StateNew Jersey
Coordinates40.93028, -75.09738
Functional classRural Local

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.
Last inspectionMarch 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 geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating88 US tons
Inventory rating52 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length131 ft (39.9 m)
Longest span60 ft (18.3 m)
Deck width52 ft (15.9 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,575 (2023)
Projected traffic1,890 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$3.5 million (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Decatur Street over I-80 built?

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

What condition is Decatur Street over I-80 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 March 2023.

How much traffic does Decatur Street over I-80 carry?

About 1,575 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Decatur Street over I-80?

The structure is 131 ft (39.9 m) long with a longest span of 60 ft (18.3 m) and a deck 52 ft wide.

Who owns Decatur Street over I-80?

It is owned by the State Highway Agency.