US Bridges

Blair Road over Blair Rd/Woodbridge Crk

Fair

Middlesex County, New Jersey · 0.66 Miles North of CR604 · Structure no. 121B007

Built
2009
16 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
27 ft
1 main span
Daily traffic
4,988
2023 count
Owner
County
County Highway Agency

About this bridge

Blair Road over Blair Rd/Woodbridge Crk is a concrete culvert carrying Blair Road over Blair Rd/Woodbridge Crk in Middlesex County, New Jersey. It was built in 2009, so it is 16 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 4,988 vehicles a day, roughly 3% of them trucks, projected to reach 6,087 by 2043. The structure is 27 ft (8.2 m) long and 41 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesBlair Road
CrossesBlair Rd/Woodbridge Crk
Location0.66 Miles North of CR604
RouteCity Street 0
CountyMiddlesex County
StateNew Jersey
Coordinates40.56985, -74.25895
Functional classUrban 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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 rating61 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length27 ft (8.2 m)
Longest span27 ft (8.2 m)
Deck width41 ft (12.6 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,988 (2023)
Projected traffic6,087 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Blair Road over Blair Rd/Woodbridge Crk built?

It was built in 2009, making it 16 years old in 2025.

What condition is Blair Road over Blair Rd/Woodbridge Crk 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 April 2023.

How much traffic does Blair Road over Blair Rd/Woodbridge Crk carry?

About 4,988 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Blair Road over Blair Rd/Woodbridge Crk?

The structure is 27 ft (8.2 m) long with a longest span of 27 ft (8.2 m) and a deck 41 ft wide.

Who owns Blair Road over Blair Rd/Woodbridge Crk?

It is owned by the County Highway Agency.