US Bridges

MARTINSVILLE(CR525 over Dead River

Fair

Somerset County, New Jersey · 0.54 Miles North of I-78 · Structure no. 18G1102

Built
1941
84 years old, rebuilt 2000
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
53 ft
1 main span
Daily traffic
12,899
2023 count
Owner
County
County Highway Agency

About this bridge

MARTINSVILLE(CR525 over Dead River is a steel stringer/multi-beam or girder carrying MARTINSVILLE(CR525 over Dead River in Somerset County, New Jersey. It was built in 1941 and reconstructed in 2000, so it is 84 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 12,899 vehicles a day, roughly 4% of them trucks, projected to reach 15,739 by 2043. The structure is 53 ft (16.2 m) long and 69 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesMARTINSVILLE(CR525
CrossesDead River
Location0.54 Miles North of I-78
RouteCounty Highway 525
CountySomerset County
StateNew Jersey
Coordinates40.65442, -74.576
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating28 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length53 ft (16.2 m)
Longest span49 ft (14.9 m)
Deck width69 ft (21 m)
Roadway width61 ft (18.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,899 (2023)
Projected traffic15,739 by 2043
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.8 mi (11 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 MARTINSVILLE(CR525 over Dead River built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 2000.

What condition is MARTINSVILLE(CR525 over Dead River 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 2023.

How much traffic does MARTINSVILLE(CR525 over Dead River carry?

About 12,899 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is MARTINSVILLE(CR525 over Dead River?

The structure is 53 ft (16.2 m) long with a longest span of 49 ft (14.9 m) and a deck 69 ft wide.

Who owns MARTINSVILLE(CR525 over Dead River?

It is owned by the County Highway Agency.