US Bridges

Nj 29 over Lockatong Creek

Fair

Hunterdon County, New Jersey · 4.5 MI NW of US.202-2GJCT · Structure no. 1008150

Built
1950
75 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
106 ft
2 main spans
Daily traffic
5,645
2024 count
Owner
State
State Highway Agency

About this bridge

Nj 29 over Lockatong Creek is a steel stringer/multi-beam or girder carrying Nj 29 over Lockatong Creek in Hunterdon County, New Jersey. It was built in 1950, so it is 75 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 5,645 vehicles a day, roughly 4% of them trucks, projected to reach 6,775 by 2044. The structure is 106 ft (32.3 m) long and 53 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNj 29
CrossesLockatong Creek
Location4.5 MI NW of US.202-2GJCT
RouteState Highway 29
CountyHunterdon County
StateNew Jersey
Coordinates40.40803, -75.014
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.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length106 ft (32.3 m)
Longest span52 ft (15.8 m)
Deck width53 ft (16.3 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,645 (2024)
Projected traffic6,775 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nj 29 over Lockatong Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Nj 29 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 July 2024.

How much traffic does Nj 29 over Lockatong Creek carry?

About 5,645 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Nj 29 over Lockatong Creek?

The structure is 106 ft (32.3 m) long with a longest span of 52 ft (15.8 m) and a deck 53 ft wide.

Who owns Nj 29 over Lockatong Creek?

It is owned by the State Highway Agency.