US Bridges

State Park Road over I-80

Good

Warren County, New Jersey · 1.89 MI E of CR 521 · Structure no. 2116153

Built
1968
57 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
189 ft
2 main spans
Daily traffic
1,721
2023 count
Owner
State
State Highway Agency

About this bridge

State Park Road over I-80 is a steel stringer/multi-beam or girder carrying State Park Road over I-80 in Warren County, New Jersey. It was built in 1968, so it is 57 years old, younger than the New Jersey average of 58.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,721 vehicles a day, roughly 3% of them trucks, projected to reach 2,100 by 2043. The structure is 189 ft (57.6 m) long and 40 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesState Park Road
CrossesI-80
Location1.89 MI E of CR 521
RouteCity Street 80
Coordinates40.92542, -74.92386
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating92 US tons
Inventory rating55 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length189 ft (57.6 m)
Longest span91 ft (27.7 m)
Deck width40 ft (12.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,721 (2023)
Projected traffic2,100 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed9.9 mi (16 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 State Park Road over I-80 built?

It was built in 1968, making it 57 years old in 2025.

What condition is State Park Road over I-80 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does State Park Road over I-80 carry?

About 1,721 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is State Park Road over I-80?

The structure is 189 ft (57.6 m) long with a longest span of 91 ft (27.7 m) and a deck 40 ft wide.

Who owns State Park Road over I-80?

It is owned by the State Highway Agency.