US Bridges

CR 516 (main St) over Gravelly Brook

Fair

Monmouth County, New Jersey · .75 Mi.S.Of Exit 117 Gsp · Structure no. 130MA13

Built
1925
100 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
11,848
2023 count
Owner
County
County Highway Agency

About this bridge

CR 516 (main St) over Gravelly Brook is a steel stringer/multi-beam or girder carrying CR 516 (main St) over Gravelly Brook in Monmouth County, New Jersey. It was built in 1925, so it is 100 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 11,848 vehicles a day, roughly 4% of them trucks, projected to reach 14,218 by 2043. The structure is 43 ft (13.1 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCR 516 (main St)
CrossesGravelly Brook
Location.75 Mi.S.Of Exit 117 Gsp
RouteCounty Highway 516
CountyMonmouth County
StateNew Jersey
Coordinates40.41934, -74.22652
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span41 ft (12.5 m)
Deck width47 ft (14.2 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,848 (2023)
Projected traffic14,218 by 2043
Trucks4%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$261,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 516 (main St) over Gravelly Brook built?

It was built in 1925, making it 100 years old in 2025.

What condition is CR 516 (main St) over Gravelly Brook 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 May 2023.

How much traffic does CR 516 (main St) over Gravelly Brook carry?

About 11,848 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is CR 516 (main St) over Gravelly Brook?

The structure is 43 ft (13.1 m) long with a longest span of 41 ft (12.5 m) and a deck 47 ft wide.

Who owns CR 516 (main St) over Gravelly Brook?

It is owned by the County Highway Agency.