US Bridges

County Route 513 over Tanners Brook

Fair

Morris County, New Jersey · 1.2 MI East of Route 625 · Structure no. 1401233

Built
1991
34 years old
Condition
Fair
inspected July 2023
Type
Slab
Prestressed Concrete
Length
31 ft
1 main span
Daily traffic
8,277
2023 count
Owner
County
County Highway Agency

About this bridge

County Route 513 over Tanners Brook is a prestressed concrete slab carrying County Route 513 over Tanners Brook in Morris County, New Jersey. It was built in 1991, so it is 34 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 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 8,277 vehicles a day, roughly 3% of them trucks, projected to reach 10,100 by 2043. The structure is 31 ft (9.4 m) long and 50 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCounty Route 513
CrossesTanners Brook
Location1.2 MI East of Route 625
RouteCounty Highway 513
Coordinates40.78408, -74.73669
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95 US tons
Inventory rating57 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span27 ft (8.2 m)
Deck width50 ft (15.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,277 (2023)
Projected traffic10,100 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 Tanners Brook built?

It was built in 1991, making it 34 years old in 2025.

What condition is County Route 513 over Tanners Brook 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 July 2023.

How much traffic does County Route 513 over Tanners Brook carry?

About 8,277 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is County Route 513 over Tanners Brook?

The structure is 31 ft (9.4 m) long with a longest span of 27 ft (8.2 m) and a deck 50 ft wide.

Who owns County Route 513 over Tanners Brook?

It is owned by the County Highway Agency.