US Bridges

Woodglen Road over Spruce Run

Fair

Hunterdon County, New Jersey · 0.5 MI S. of Anthony RD · Structure no. 1000L61

Built
1983
42 years old
Condition
Fair
inspected April 2023
Type
Slab
Wood or Timber
Length
29 ft
1 main span
Daily traffic
2,324
2023 count
Owner
County
County Highway Agency

About this bridge

Woodglen Road over Spruce Run is a wood or timber slab carrying Woodglen Road over Spruce Run in Hunterdon County, New Jersey. It was built in 1983, so it is 42 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 2,324 vehicles a day, roughly 3% of them trucks, projected to reach 2,836 by 2043. The structure is 29 ft (8.8 m) long and 25 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesWoodglen Road
CrossesSpruce Run
Location0.5 MI S. of Anthony RD
CountyHunterdon County
StateNew Jersey
Coordinates40.74116, -74.888
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46 US tons
Inventory rating29 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20 + Mod
Structure length29 ft (8.8 m)
Longest span27 ft (8.2 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,324 (2023)
Projected traffic2,836 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Woodglen Road over Spruce Run built?

It was built in 1983, making it 42 years old in 2025.

What condition is Woodglen Road over Spruce Run 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 Woodglen Road over Spruce Run carry?

About 2,324 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Woodglen Road over Spruce Run?

The structure is 29 ft (8.8 m) long with a longest span of 27 ft (8.2 m) and a deck 25 ft wide.

Who owns Woodglen Road over Spruce Run?

It is owned by the County Highway Agency.