US Bridges

Springfd Ave CR512 over Gladstone Line

Fair

Union County, New Jersey · 3.2 MI W I78 & NJ24 JCT · Structure no. 2061151

Built
1931
94 years old
Condition
Fair
inspected February 2023
Type
Slab
Concrete
Length
51 ft
1 main span
Daily traffic
11,170
2023 count
Owner
Unknown
Unknown

About this bridge

Springfd Ave CR512 over Gladstone Line is a concrete slab carrying Springfd Ave CR512 over Gladstone Line in Union County, New Jersey. It was built in 1931, so it is 94 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 11,170 vehicles a day, roughly 4% of them trucks, projected to reach 15,050 by 2043. The structure is 51 ft (15.5 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSpringfd Ave CR512
CrossesGladstone Line
Location3.2 MI W I78 & NJ24 JCT
RouteCounty Highway 512
CountyUnion County
StateNew Jersey
Coordinates40.713, -74.38565
Functional classUrban Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating64 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length51 ft (15.5 m)
Longest span46 ft (14 m)
Deck width60 ft (18.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,170 (2023)
Projected traffic15,050 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerUnknown
Maintained byOther State Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$12.5 million (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Springfd Ave CR512 over Gladstone Line built?

It was built in 1931, making it 94 years old in 2025.

What condition is Springfd Ave CR512 over Gladstone Line 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 February 2023.

How much traffic does Springfd Ave CR512 over Gladstone Line carry?

About 11,170 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Springfd Ave CR512 over Gladstone Line?

The structure is 51 ft (15.5 m) long with a longest span of 46 ft (14 m) and a deck 60 ft wide.

Who owns Springfd Ave CR512 over Gladstone Line?

It is owned by the Unknown and maintained by the Other State Agency.