US Bridges

Power Road over Upper Rouge River

Fair

Oakland County, Michigan · 0.1 MI N of Grand River · Structure no. 000000000008237

Built
1940
85 years old, rebuilt 1957
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
29 ft
1 main span
Daily traffic
2,580
2008 count
Owner
City
City or Municipal Highway Agency

About this bridge

Power Road over Upper Rouge River is a concrete culvert carrying Power Road over Upper Rouge River in Oakland County, Michigan. It was built in 1940 and reconstructed in 1957, so it is 85 years old, older 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 6 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 2,580 vehicles a day, roughly 2% of them trucks, projected to reach 1,700 by 2028. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesPower Road
CrossesUpper Rouge River
Location0.1 MI N of Grand River
RouteCity Street 0
CountyOakland County
StateMichigan
Coordinates42.46173, -83.36656
Functional classUrban Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,580 (2008)
Projected traffic1,700 by 2028
Trucks2%
Lanes on structure2
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Power Road over Upper Rouge River built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1957.

What condition is Power Road over Upper 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 April 2024.

How much traffic does Power Road over Upper Rouge River carry?

About 2,580 vehicles per day (2008 count), of which roughly 2% are trucks.

How long is Power Road over Upper Rouge River?

The structure is 29 ft (8.8 m) long with a longest span of 24 ft (7.3 m).

Who owns Power Road over Upper Rouge River?

It is owned by the City or Municipal Highway Agency.