US Bridges

Southside Avenue over Peters Brook

Good

Somerset County, New Jersey · .04 MI E of Hamilton ST · Structure no. 18F0707

Built
2007
18 years old
Condition
Good
inspected October 2023
Type
Truss - Thru
Steel
Length
59 ft
1 main span
Daily traffic
4,585
2023 count
Owner
County
County Highway Agency

About this bridge

Southside Avenue over Peters Brook is a steel truss - thru carrying Southside Avenue over Peters Brook in Somerset County, New Jersey. It was built in 2007, so it is 18 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 4,585 vehicles a day, roughly 1% of them trucks, projected to reach 5,502 by 2043. The structure is 59 ft (18 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSouthside Avenue
CrossesPeters Brook
Location.04 MI E of Hamilton ST
RouteCity Street 0
Coordinates40.56145, -74.608
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating88 US tons
Inventory rating53 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length59 ft (18 m)
Longest span54 ft (16.5 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,585 (2023)
Projected traffic5,502 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 Southside Avenue over Peters Brook built?

It was built in 2007, making it 18 years old in 2025.

What condition is Southside Avenue over Peters 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 October 2023.

How much traffic does Southside Avenue over Peters Brook carry?

About 4,585 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Southside Avenue over Peters Brook?

The structure is 59 ft (18 m) long with a longest span of 54 ft (16.5 m) and a deck 35 ft wide.

Who owns Southside Avenue over Peters Brook?

It is owned by the County Highway Agency.