US Bridges

Union Road over Lockatong Creek

Good

Hunterdon County, New Jersey · 0.5 MI SE of CR 519 · Structure no. 100K136

Built
2007
18 years old
Condition
Good
inspected June 2023
Type
Truss - Thru
Steel
Length
48 ft
1 main span
Daily traffic
364
2023 count
Owner
County
County Highway Agency

About this bridge

Union Road over Lockatong Creek is a steel truss - thru carrying Union Road over Lockatong Creek in Hunterdon County, New Jersey. It was built in 2007, so it is 18 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 364 vehicles a day, roughly 3% of them trucks, projected to reach 436 by 2043. The structure is 48 ft (14.6 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUnion Road
CrossesLockatong Creek
Location0.5 MI SE of CR 519
Coordinates40.50759, -75.00279
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating47 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 25 or greater
Structure length48 ft (14.6 m)
Longest span43 ft (13.1 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic364 (2023)
Projected traffic436 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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 Union Road over Lockatong Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Union Road over Lockatong Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Union Road over Lockatong Creek carry?

About 364 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Union Road over Lockatong Creek?

The structure is 48 ft (14.6 m) long with a longest span of 43 ft (13.1 m) and a deck 31 ft wide.

Who owns Union Road over Lockatong Creek?

It is owned by the County Highway Agency.