US Bridges

US 1&9 over West Brook

Fair

Union County, New Jersey · 2.2 Mi.N.Of Rahway River · Structure no. 2001154

Built
1984
41 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
64,440
2024 count
Owner
State
State Highway Agency

About this bridge

US 1&9 over West Brook is a prestressed concrete box beam or girders - multiple carrying US 1&9 over West Brook in Union County, New Jersey. It was built in 1984, so it is 41 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 fair condition with a lowest component rating of 6 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 64,440 vehicles a day, roughly 4% of them trucks, projected to reach 78,630 by 2044. The structure is 55 ft (16.8 m) long and 100 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 1&9
CrossesWest Brook
Location2.2 Mi.N.Of Rahway River
RouteU.S. Route 1
CountyUnion County
StateNew Jersey
Coordinates40.62437, -74.24543
Functional classUrban Other Principal 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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length55 ft (16.8 m)
Longest span52 ft (15.8 m)
Deck width100 ft (30.6 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic64,440 (2024)
Projected traffic78,630 by 2044
Trucks4%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 1&9 over West Brook built?

It was built in 1984, making it 41 years old in 2025.

What condition is US 1&9 over West 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 February 2024.

How much traffic does US 1&9 over West Brook carry?

About 64,440 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is US 1&9 over West Brook?

The structure is 55 ft (16.8 m) long with a longest span of 52 ft (15.8 m) and a deck 100 ft wide.

Who owns US 1&9 over West Brook?

It is owned by the State Highway Agency.