US Bridges

Bank Street over Rocky Brook

Good

Mercer County, New Jersey · 0.9 MI East of Rt 130 · Structure no. 1108632

Built
1980
45 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
1,252
2023 count
Owner
County
County Highway Agency

About this bridge

Bank Street over Rocky Brook is a concrete culvert carrying Bank Street over Rocky Brook in Mercer County, New Jersey. It was built in 1980, so it is 45 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,252 vehicles a day, roughly 1% of them trucks, projected to reach 1,508 by 2043. The structure is 28 ft (8.5 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBank Street
CrossesRocky Brook
Location0.9 MI East of Rt 130
RouteCity Street 0
Coordinates40.27216, -74.5248
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97 US tons
Inventory rating58 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width45 ft (13.8 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,252 (2023)
Projected traffic1,508 by 2043
Trucks1%
Lanes on structure2
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Bank Street over Rocky Brook built?

It was built in 1980, making it 45 years old in 2025.

What condition is Bank Street over Rocky Brook in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.

How much traffic does Bank Street over Rocky Brook carry?

About 1,252 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Bank Street over Rocky Brook?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 45 ft wide.

Who owns Bank Street over Rocky Brook?

It is owned by the County Highway Agency.