US Bridges

Ridge RD over Rouge River

Good

Wayne County, Michigan · Ridge S of Mcnichols · Structure no. 000000000012483

Built
2009
16 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
74 ft
1 main span
Daily traffic
612
2008 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ridge RD over Rouge River is a prestressed concrete box beam or girders - multiple carrying Ridge RD over Rouge River in Wayne County, Michigan. It was built in 2009, so it is 16 years old, younger than the Michigan average of 48.3 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 612 vehicles a day, projected to reach 495 by 2023. The structure is 74 ft (22.6 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRidge RD
CrossesRouge River
LocationRidge S of Mcnichols
RouteCity Street 0
Coordinates42.41327, -83.26987
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating71.8 US tons
Inventory rating53.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length74 ft (22.6 m)
Longest span73 ft (22.2 m)
Deck width36 ft (10.9 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic612 (2008)
Projected traffic495 by 2023
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ridge RD over Rouge River built?

It was built in 2009, making it 16 years old in 2025.

What condition is Ridge RD over Rouge River 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 November 2023.

How much traffic does Ridge RD over Rouge River carry?

About 612 vehicles per day (2008 count).

How long is Ridge RD over Rouge River?

The structure is 74 ft (22.6 m) long with a longest span of 73 ft (22.2 m) and a deck 36 ft wide.

Who owns Ridge RD over Rouge River?

It is owned by the City or Municipal Highway Agency.