US Bridges

Union Avenue over Stream 8-13

Fair

Union County, New Jersey · 0.45 MI SW of Gsp at 142A · Structure no. 2019041

Built
1974
51 years old
Condition
Fair
inspected March 2024
Type
Slab
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
4,162
2024 count
Owner
County
County Highway Agency

About this bridge

Union Avenue over Stream 8-13 is a prestressed concrete slab carrying Union Avenue over Stream 8-13 in Union County, New Jersey. It was built in 1974, so it is 51 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 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 4,162 vehicles a day, roughly 3% of them trucks, projected to reach 5,079 by 2044. The structure is 37 ft (11.3 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUnion Avenue
CrossesStream 8-13
Location0.45 MI SW of Gsp at 142A
RouteCity Street 0
CountyUnion County
StateNew Jersey
Coordinates40.70333, -74.25219
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
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span33 ft (10.1 m)
Deck width50 ft (15.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,162 (2024)
Projected traffic5,079 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Union Avenue over Stream 8-13 built?

It was built in 1974, making it 51 years old in 2025.

What condition is Union Avenue over Stream 8-13 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 2024.

How much traffic does Union Avenue over Stream 8-13 carry?

About 4,162 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Union Avenue over Stream 8-13?

The structure is 37 ft (11.3 m) long with a longest span of 33 ft (10.1 m) and a deck 50 ft wide.

Who owns Union Avenue over Stream 8-13?

It is owned by the County Highway Agency.