US Bridges

Ridge Road over Lower Rouge River

Fair

Wayne County, Michigan · Canton N/Proctor · Structure no. 000000000012103

Built
1979
46 years old
Condition
Fair
inspected June 2023
Type
Culvert
Other
Length
31 ft
1 main span
Daily traffic
2,935
1996 count
Owner
County
County Highway Agency

About this bridge

Ridge Road over Lower Rouge River is a other culvert carrying Ridge Road over Lower Rouge River in Wayne County, Michigan. It was built in 1979, so it is 46 years old, younger than the Michigan average of 48.3 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 2,935 vehicles a day, roughly 3% of them trucks, projected to reach 2,958 by 2015. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRidge Road
CrossesLower Rouge River
LocationCanton N/Proctor
RouteCounty Highway 0
Coordinates42.29594, -83.54199
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating33.2 US tons
Inventory rating25.7 US tons

Structure

Structure typeCulvert
MaterialOther
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length31 ft (9.4 m)
Longest span31 ft (9.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,935 (1996)
Projected traffic2,958 by 2015
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Ridge Road over Lower Rouge River built?

It was built in 1979, making it 46 years old in 2025.

What condition is Ridge Road over Lower Rouge River 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 June 2023.

How much traffic does Ridge Road over Lower Rouge River carry?

About 2,935 vehicles per day (1996 count), of which roughly 3% are trucks.

How long is Ridge Road over Lower Rouge River?

The structure is 31 ft (9.4 m) long with a longest span of 31 ft (9.4 m).

Who owns Ridge Road over Lower Rouge River?

It is owned by the County Highway Agency.