US Bridges

Race / Nj 12/CR610 over Nishisakawick Creek

Fair

Hunterdon County, New Jersey · Int. Bridge ST & Race ST · Structure no. 100P169

Built
1841
184 years old, rebuilt 1978
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
75 ft
1 main span
Daily traffic
5,779
2023 count
Owner
County
County Highway Agency

About this bridge

Race / Nj 12/CR610 over Nishisakawick Creek is a steel stringer/multi-beam or girder carrying Race / Nj 12/CR610 over Nishisakawick Creek in Hunterdon County, New Jersey. It was built in 1841 and reconstructed in 1978, so it is 184 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 5,779 vehicles a day, roughly 4% of them trucks, projected to reach 7,052 by 2043. The structure is 75 ft (22.9 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRace / Nj 12/CR610
CrossesNishisakawick Creek
LocationInt. Bridge ST & Race ST
RouteCounty Highway 12
Coordinates40.52698, -75.06
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans1
Design loadUnknown
Structure length75 ft (22.9 m)
Longest span73 ft (22.3 m)
Deck width39 ft (11.9 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,779 (2023)
Projected traffic7,052 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 of existing bridge without deck rehabilitation
Estimated improvement cost$1,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Race / Nj 12/CR610 over Nishisakawick Creek built?

It was built in 1841, making it 184 years old in 2025. It was reconstructed in 1978.

What condition is Race / Nj 12/CR610 over Nishisakawick Creek 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 Race / Nj 12/CR610 over Nishisakawick Creek carry?

About 5,779 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Race / Nj 12/CR610 over Nishisakawick Creek?

The structure is 75 ft (22.9 m) long with a longest span of 73 ft (22.3 m) and a deck 39 ft wide.

Who owns Race / Nj 12/CR610 over Nishisakawick Creek?

It is owned by the County Highway Agency.