US Bridges

Lower Landsdown RD over Capoolong Creek

FairPosted for load

Hunterdon County, New Jersey · 0.4 M E of CR 617 · Structure no. 10XXF82

Built
1885
140 years old, rebuilt 2023
Condition
Fair
inspected March 2023
Type
Truss - Thru
Aluminum, Wrought Iron, or Cast Iron
Length
94 ft
1 main span
Daily traffic
160
2023 count
Owner
County
County Highway Agency

About this bridge

Lower Landsdown RD over Capoolong Creek is a aluminum, wrought iron, or cast iron truss - thru carrying Lower Landsdown RD over Capoolong Creek in Hunterdon County, New Jersey. It was built in 1885 and reconstructed in 2023, so it is 140 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 160 vehicles a day, projected to reach 192 by 2043. The structure is 94 ft (28.7 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesLower Landsdown RD
CrossesCapoolong Creek
Location0.4 M E of CR 617
CountyHunterdon County
StateNew Jersey
Coordinates40.60774, -74.916
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating15 US tons
Inventory rating7.1 US tons

Structure

Structure typeTruss - Thru
MaterialAluminum, Wrought Iron, or Cast Iron
DeckWood or timber
Main spans1
Design loadUnknown
Structure length94 ft (28.7 m)
Longest span88 ft (26.8 m)
Deck width18 ft (5.6 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deck13 ft (4.1 m)

Traffic and service

Average daily traffic160 (2023)
Projected traffic192 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
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 statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.7 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lower Landsdown RD over Capoolong Creek built?

It was built in 1885, making it 140 years old in 2025. It was reconstructed in 2023.

What condition is Lower Landsdown RD over Capoolong 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 Lower Landsdown RD over Capoolong Creek carry?

About 160 vehicles per day (2023 count).

How long is Lower Landsdown RD over Capoolong Creek?

The structure is 94 ft (28.7 m) long with a longest span of 88 ft (26.8 m) and a deck 18 ft wide.

Who owns Lower Landsdown RD over Capoolong Creek?

It is owned by the County Highway Agency.