US Bridges

Tannery Road over Blair Creek

Fair

Warren County, New Jersey · 0.2 MI NE of CR 659 JCT · Structure no. 2100905

Built
2006
19 years old
Condition
Fair
inspected March 2023
Type
Frame
Concrete
Length
21 ft
1 main span
Daily traffic
73
2023 count
Owner
County
County Highway Agency

About this bridge

Tannery Road over Blair Creek is a concrete frame carrying Tannery Road over Blair Creek in Warren County, New Jersey. It was built in 2006, so it is 19 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 73 vehicles a day, roughly 3% of them trucks, projected to reach 90 by 2043. The structure is 21 ft (6.4 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesTannery Road
CrossesBlair Creek
Location0.2 MI NE of CR 659 JCT
RouteCity Street 0
CountyWarren County
StateNew Jersey
Coordinates41.00968, -74.94625
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating91.1 US tons
Inventory rating54 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width31 ft (9.4 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73 (2023)
Projected traffic90 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Tannery Road over Blair Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is Tannery Road over Blair 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 March 2023.

How much traffic does Tannery Road over Blair Creek carry?

About 73 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Tannery Road over Blair Creek?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m) and a deck 31 ft wide.

Who owns Tannery Road over Blair Creek?

It is owned by the County Highway Agency.