US Bridges

Readington RD over Trib. Chambers Brook

Poor

Somerset County, New Jersey · 1.19 MI S. US22 · Structure no. 18C0806

Built
1930
95 years old
Condition
Poor
inspected August 2023
Type
Arch - Deck
Concrete
Length
34 ft
1 main span
Daily traffic
8,509
2023 count
Owner
County
County Highway Agency

About this bridge

Readington RD over Trib. Chambers Brook is a concrete arch - deck carrying Readington RD over Trib. Chambers Brook in Somerset County, New Jersey. It was built in 1930, so it is 95 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 8,509 vehicles a day, roughly 4% of them trucks, projected to reach 10,211 by 2043. The structure is 34 ft (10.4 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesReadington RD
CrossesTrib. Chambers Brook
Location1.19 MI S. US22
RouteCounty Highway 637
CountySomerset County
StateNew Jersey
Coordinates40.58998, -74.70408
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating86 US tons
Inventory rating66 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span32 ft (9.8 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,509 (2023)
Projected traffic10,211 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Readington RD over Trib. Chambers Brook built?

It was built in 1930, making it 95 years old in 2025.

What condition is Readington RD over Trib. Chambers Brook in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does Readington RD over Trib. Chambers Brook carry?

About 8,509 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Readington RD over Trib. Chambers Brook?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 29 ft wide.

Who owns Readington RD over Trib. Chambers Brook?

It is owned by the County Highway Agency.