US Bridges

Milford Rd. over Lehigh Valley Ml (ns)

Fair

Hunterdon County, New Jersey · 0.5 MI W. of RTE 579 · Structure no. 1050160

Built
1917
108 years old, rebuilt 1934
Condition
Fair
inspected September 2024
Type
Truss - Thru
Steel
Length
96 ft
1 main span
Daily traffic
155
2024 count
Owner
Unknown
Unknown

About this bridge

Milford Rd. over Lehigh Valley Ml (ns) is a steel truss - thru carrying Milford Rd. over Lehigh Valley Ml (ns) in Hunterdon County, New Jersey. It was built in 1917 and reconstructed in 1934, so it is 108 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 5 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 155 vehicles a day, roughly 3% of them trucks, projected to reach 190 by 2044. The structure is 96 ft (29.3 m) long and 21 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMilford Rd.
CrossesLehigh Valley Ml (ns)
Location0.5 MI W. of RTE 579
RouteCity Street 0
Coordinates40.64715, -75.0905
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating46 US tons
Inventory rating34 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length96 ft (29.3 m)
Longest span92 ft (28 m)
Deck width21 ft (6.5 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic155 (2024)
Projected traffic190 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerUnknown
Maintained byState 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$3.9 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Milford Rd. over Lehigh Valley Ml (ns) built?

It was built in 1917, making it 108 years old in 2025. It was reconstructed in 1934.

What condition is Milford Rd. over Lehigh Valley Ml (ns) 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 September 2024.

How much traffic does Milford Rd. over Lehigh Valley Ml (ns) carry?

About 155 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Milford Rd. over Lehigh Valley Ml (ns)?

The structure is 96 ft (29.3 m) long with a longest span of 92 ft (28 m) and a deck 21 ft wide.

Who owns Milford Rd. over Lehigh Valley Ml (ns)?

It is owned by the Unknown and maintained by the State Highway Agency.