US Bridges

Northfield Parkway over Rouge River

Fair

Oakland County, Michigan · 0.5 MI E of Coolidge · Structure no. 000000000008313

Built
1972
53 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
36 ft
2 main spans
Daily traffic
2,800
1997 count
Owner
City
City or Municipal Highway Agency

About this bridge

Northfield Parkway over Rouge River is a concrete continuous culvert carrying Northfield Parkway over Rouge River in Oakland County, Michigan. It was built in 1972, so it is 53 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 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 2,800 vehicles a day, roughly 3% of them trucks, projected to reach 5,000 by 2010. The structure is 36 ft (11 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNorthfield Parkway
CrossesRouge River
Location0.5 MI E of Coolidge
RouteCity Street 0
CountyOakland County
StateMichigan
Coordinates42.60335, -83.18002
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 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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length36 ft (11 m)
Longest span16 ft (5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (1997)
Projected traffic5,000 by 2010
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Northfield Parkway over Rouge River built?

It was built in 1972, making it 53 years old in 2025.

What condition is Northfield Parkway over 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 2023.

How much traffic does Northfield Parkway over Rouge River carry?

About 2,800 vehicles per day (1997 count), of which roughly 3% are trucks.

How long is Northfield Parkway over Rouge River?

The structure is 36 ft (11 m) long with a longest span of 16 ft (5 m).

Who owns Northfield Parkway over Rouge River?

It is owned by the City or Municipal Highway Agency.