US Bridges

CO 635 & Raoul Wal over Assunpink Creek

Fair

Mercer County, New Jersey · 0.32 Mile East of US 1 · Structure no. 1100053

Built
1900
125 years old, rebuilt 1966
Condition
Fair
inspected February 2023
Type
Arch - Deck
Masonry
Length
48 ft
1 main span
Daily traffic
6,170
2023 count
Owner
County
County Highway Agency

About this bridge

CO 635 & Raoul Wal over Assunpink Creek is a masonry arch - deck carrying CO 635 & Raoul Wal over Assunpink Creek in Mercer County, New Jersey. It was built in 1900 and reconstructed in 1966, so it is 125 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 6,170 vehicles a day, roughly 4% of them trucks, projected to reach 7,525 by 2043. The structure is 48 ft (14.6 m) long and 160 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCO 635 & Raoul Wal
CrossesAssunpink Creek
Location0.32 Mile East of US 1
RouteCounty Highway 635
CountyMercer County
StateNew Jersey
Coordinates40.22143, -74.75186
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating24 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length48 ft (14.6 m)
Longest span48 ft (14.6 m)
Deck width160 ft (48.9 m)
Roadway width102 ft (31.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,170 (2023)
Projected traffic7,525 by 2043
Trucks4%
Lanes on structure7
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 CO 635 & Raoul Wal over Assunpink Creek built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1966.

What condition is CO 635 & Raoul Wal over Assunpink Creek 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 2023.

How much traffic does CO 635 & Raoul Wal over Assunpink Creek carry?

About 6,170 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is CO 635 & Raoul Wal over Assunpink Creek?

The structure is 48 ft (14.6 m) long with a longest span of 48 ft (14.6 m) and a deck 160 ft wide.

Who owns CO 635 & Raoul Wal over Assunpink Creek?

It is owned by the County Highway Agency.