US Bridges

County Route 513 over Tributary S Br Raritan R

Fair

Hunterdon County, New Jersey · 3.0 MI NE of CR 579 · Structure no. 1000003

Built
1940
85 years old
Condition
Fair
inspected March 2023
Type
Arch - Deck
Concrete
Length
42 ft
1 main span
Daily traffic
11,563
2023 count
Owner
County
County Highway Agency

About this bridge

County Route 513 over Tributary S Br Raritan R is a concrete arch - deck carrying County Route 513 over Tributary S Br Raritan R in Hunterdon County, New Jersey. It was built in 1940, so it is 85 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 11,563 vehicles a day, roughly 4% of them trucks, projected to reach 14,109 by 2043. The structure is 42 ft (12.8 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCounty Route 513
CrossesTributary S Br Raritan R
Location3.0 MI NE of CR 579
RouteCounty Highway 513
Coordinates40.61866, -74.93261
Functional classRural 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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span42 ft (12.8 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,563 (2023)
Projected traffic14,109 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Route 513 over Tributary S Br Raritan R built?

It was built in 1940, making it 85 years old in 2025.

What condition is County Route 513 over Tributary S Br Raritan R 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 County Route 513 over Tributary S Br Raritan R carry?

About 11,563 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is County Route 513 over Tributary S Br Raritan R?

The structure is 42 ft (12.8 m) long with a longest span of 42 ft (12.8 m) and a deck 41 ft wide.

Who owns County Route 513 over Tributary S Br Raritan R?

It is owned by the County Highway Agency.