US Bridges

Nj 29 over Jacobs Creek

Fair

Mercer County, New Jersey · 1.37 MI N of I-295 JCT · Structure no. 1110152

Built
1832
193 years old, rebuilt 1941
Condition
Fair
inspected June 2024
Type
Culvert
Masonry
Length
25 ft
1 main span
Daily traffic
13,858
2024 count
Owner
State
State Highway Agency

About this bridge

Nj 29 over Jacobs Creek is a masonry culvert carrying Nj 29 over Jacobs Creek in Mercer County, New Jersey. It was built in 1832 and reconstructed in 1941, so it is 193 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 13,858 vehicles a day, roughly 4% of them trucks, projected to reach 16,909 by 2044. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesNj 29
CrossesJacobs Creek
Location1.37 MI N of I-295 JCT
RouteState Highway 29
CountyMercer County
StateNew Jersey
Coordinates40.27829, -74.85343
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 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
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46 US tons
Inventory rating28 US tons

Structure

Structure typeCulvert
MaterialMasonry
DeckNot applicable
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span25 ft (7.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,858 (2024)
Projected traffic16,909 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nj 29 over Jacobs Creek built?

It was built in 1832, making it 193 years old in 2025. It was reconstructed in 1941.

What condition is Nj 29 over Jacobs 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 2024.

How much traffic does Nj 29 over Jacobs Creek carry?

About 13,858 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Nj 29 over Jacobs Creek?

The structure is 25 ft (7.6 m) long with a longest span of 25 ft (7.6 m).

Who owns Nj 29 over Jacobs Creek?

It is owned by the State Highway Agency.