US Bridges

County Route 513 over Black River

Fair

Morris County, New Jersey · 1.3 MI West of Rt US 206 · Structure no. 1401235

Built
1978
47 years old
Condition
Fair
inspected July 2023
Type
Slab
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
15,227
2023 count
Owner
County
County Highway Agency

About this bridge

County Route 513 over Black River is a prestressed concrete slab carrying County Route 513 over Black River in Morris County, New Jersey. It was built in 1978, so it is 47 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 15,227 vehicles a day, roughly 3% of them trucks, projected to reach 18,580 by 2043. The structure is 46 ft (14 m) long and 60 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCounty Route 513
CrossesBlack River
Location1.3 MI West of Rt US 206
RouteCounty Highway 513
CountyMorris County
StateNew Jersey
Coordinates40.77931, -74.72183
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating56 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span42 ft (12.8 m)
Deck width60 ft (18.3 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,227 (2023)
Projected traffic18,580 by 2043
Trucks3%
Lanes on structure4
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 statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$60,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Route 513 over Black River built?

It was built in 1978, making it 47 years old in 2025.

What condition is County Route 513 over Black River 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 Black River carry?

About 15,227 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is County Route 513 over Black River?

The structure is 46 ft (14 m) long with a longest span of 42 ft (12.8 m) and a deck 60 ft wide.

Who owns County Route 513 over Black River?

It is owned by the County Highway Agency.