US Bridges

Nj 29 over Alexauken Creek

Fair

Hunterdon County, New Jersey · 0.12 MI S of US 202 JCT · Structure no. 1007153

Built
1976
49 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
165 ft
2 main spans
Daily traffic
8,253
2023 count
Owner
State
State Highway Agency

About this bridge

Nj 29 over Alexauken Creek is a steel stringer/multi-beam or girder carrying Nj 29 over Alexauken Creek in Hunterdon County, New Jersey. It was built in 1976, so it is 49 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 8,253 vehicles a day, roughly 4% of them trucks, projected to reach 9,903 by 2042. The structure is 165 ft (50.3 m) long and 60 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNj 29
CrossesAlexauken Creek
Location0.12 MI S of US 202 JCT
RouteState Highway 29
CountyHunterdon County
StateNew Jersey
Coordinates40.38044, -74.94794
Functional classUrban Other Principal 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating70 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length165 ft (50.3 m)
Longest span82 ft (25 m)
Deck width60 ft (18.3 m)
Roadway width51 ft (15.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,253 (2023)
Projected traffic9,903 by 2042
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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 Alexauken Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is Nj 29 over Alexauken 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 September 2023.

How much traffic does Nj 29 over Alexauken Creek carry?

About 8,253 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Nj 29 over Alexauken Creek?

The structure is 165 ft (50.3 m) long with a longest span of 82 ft (25 m) and a deck 60 ft wide.

Who owns Nj 29 over Alexauken Creek?

It is owned by the State Highway Agency.