US Bridges

Six Mile Road over Upper Rouge River

Good

Wayne County, Michigan · Redford E/Inkster · Structure no. 000000000012090

Built
2023
2 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
36 ft
1 main span
Daily traffic
14,253
2021 count
Owner
County
County Highway Agency

About this bridge

Six Mile Road over Upper Rouge River is a concrete culvert carrying Six Mile Road over Upper Rouge River in Wayne County, Michigan. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 14,253 vehicles a day, roughly 1% of them trucks, projected to reach 15,749 by 2041. The structure is 36 ft (11 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSix Mile Road
CrossesUpper Rouge River
LocationRedford E/Inkster
RouteCounty Highway 2057
Coordinates42.41353, -83.30779
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.9 US tons
Inventory rating71.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadGreater than HL 93
Structure length36 ft (11 m)
Longest span36 ft (11 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,253 (2021)
Projected traffic15,749 by 2041
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 Six Mile Road over Upper Rouge River built?

It was built in 2023, making it 2 years old in 2025.

What condition is Six Mile Road over Upper 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 May 2023.

How much traffic does Six Mile Road over Upper Rouge River carry?

About 14,253 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Six Mile Road over Upper Rouge River?

The structure is 36 ft (11 m) long with a longest span of 36 ft (11 m).

Who owns Six Mile Road over Upper Rouge River?

It is owned by the County Highway Agency.