US Bridges

County Route 519 over Milford Creek

Fair

Hunterdon County, New Jersey · 1.2 MI NW of Bridge St. · Structure no. 1000034

Built
1986
39 years old
Condition
Fair
inspected April 2023
Type
Slab
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
5,166
2023 count
Owner
County
County Highway Agency

About this bridge

County Route 519 over Milford Creek is a prestressed concrete slab carrying County Route 519 over Milford Creek in Hunterdon County, New Jersey. It was built in 1986, so it is 39 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 5,166 vehicles a day, roughly 4% of them trucks, projected to reach 6,304 by 2043. The structure is 32 ft (9.8 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCounty Route 519
CrossesMilford Creek
Location1.2 MI NW of Bridge St.
RouteCounty Highway 519
CountyHunterdon County
StateNew Jersey
Coordinates40.58083, -75.10727
Functional classRural Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating84 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span29 ft (8.8 m)
Deck width35 ft (10.7 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,166 (2023)
Projected traffic6,304 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Route 519 over Milford Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is County Route 519 over Milford 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 April 2023.

How much traffic does County Route 519 over Milford Creek carry?

About 5,166 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is County Route 519 over Milford Creek?

The structure is 32 ft (9.8 m) long with a longest span of 29 ft (8.8 m) and a deck 35 ft wide.

Who owns County Route 519 over Milford Creek?

It is owned by the County Highway Agency.