US Bridges

Mill Pond Road over Pohatcong Creek

Fair

Warren County, New Jersey · 0.5 Mi. South Nj 57 · Structure no. 2102214

Built
1910
115 years old, rebuilt 1956
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
979
2023 count
Owner
County
County Highway Agency

About this bridge

Mill Pond Road over Pohatcong Creek is a steel stringer/multi-beam or girder carrying Mill Pond Road over Pohatcong Creek in Warren County, New Jersey. It was built in 1910 and reconstructed in 1956, so it is 115 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 979 vehicles a day, roughly 1% of them trucks, projected to reach 1,194 by 2043. The structure is 26 ft (7.9 m) long and 15 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

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CarriesMill Pond Road
CrossesPohatcong Creek
Location0.5 Mi. South Nj 57
RouteCity Street 0
CountyWarren County
StateNew Jersey
Coordinates40.74904, -75.00523
Functional classUrban 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating57 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width15 ft (4.6 m)
Roadway width13 ft (4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic979 (2023)
Projected traffic1,194 by 2043
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$888,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mill Pond Road over Pohatcong Creek built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 1956.

What condition is Mill Pond Road over Pohatcong 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 Mill Pond Road over Pohatcong Creek carry?

About 979 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Mill Pond Road over Pohatcong Creek?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 15 ft wide.

Who owns Mill Pond Road over Pohatcong Creek?

It is owned by the County Highway Agency.