US Bridges

Nj 12 over Lockatong Creek

Fair

Hunterdon County, New Jersey · 0.8 MI East of CO Rt 519 · Structure no. 1001152

Built
1937
88 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
49 ft
1 main span
Daily traffic
6,708
2023 count
Owner
State
State Highway Agency

About this bridge

Nj 12 over Lockatong Creek is a steel stringer/multi-beam or girder carrying Nj 12 over Lockatong Creek in Hunterdon County, New Jersey. It was built in 1937, so it is 88 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 6,708 vehicles a day, roughly 4% of them trucks, projected to reach 8,183 by 2043. The structure is 49 ft (14.9 m) long and 49 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNj 12
CrossesLockatong Creek
Location0.8 MI East of CO Rt 519
RouteState Highway 12
CountyHunterdon County
StateNew Jersey
Coordinates40.51715, -74.99209
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
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 inspectionJune 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 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 rating48 US tons
Inventory rating29 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length49 ft (14.9 m)
Longest span44 ft (13.4 m)
Deck width49 ft (14.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,708 (2023)
Projected traffic8,183 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Nj 12 over Lockatong Creek built?

It was built in 1937, making it 88 years old in 2025.

What condition is Nj 12 over Lockatong 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 June 2023.

How much traffic does Nj 12 over Lockatong Creek carry?

About 6,708 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Nj 12 over Lockatong Creek?

The structure is 49 ft (14.9 m) long with a longest span of 44 ft (13.4 m) and a deck 49 ft wide.

Who owns Nj 12 over Lockatong Creek?

It is owned by the State Highway Agency.