US Bridges

Davidson Ave over D&r Canal Tributary

Fair

Somerset County, New Jersey · 0.23 MI N of New Bruns.Rd · Structure no. 18H0603

Built
1980
45 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete
Length
29 ft
1 main span
Daily traffic
12,685
2023 count
Owner
County
County Highway Agency

About this bridge

Davidson Ave over D&r Canal Tributary is a concrete slab carrying Davidson Ave over D&r Canal Tributary in Somerset County, New Jersey. It was built in 1980, so it is 45 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 12,685 vehicles a day, roughly 3% of them trucks, projected to reach 15,478 by 2043. The structure is 29 ft (8.8 m) long and 51 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesDavidson Ave
CrossesD&r Canal Tributary
Location0.23 MI N of New Bruns.Rd
RouteCity Street 0
CountySomerset County
StateNew Jersey
Coordinates40.52958, -74.53155
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length29 ft (8.8 m)
Longest span27 ft (8.2 m)
Deck width51 ft (15.5 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,685 (2023)
Projected traffic15,478 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Davidson Ave over D&r Canal Tributary built?

It was built in 1980, making it 45 years old in 2025.

What condition is Davidson Ave over D&r Canal Tributary 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 Davidson Ave over D&r Canal Tributary carry?

About 12,685 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Davidson Ave over D&r Canal Tributary?

The structure is 29 ft (8.8 m) long with a longest span of 27 ft (8.2 m) and a deck 51 ft wide.

Who owns Davidson Ave over D&r Canal Tributary?

It is owned by the County Highway Agency.