US Bridges

M-10 Nwestern HWY over I-696 Ramp D

Good

Oakland County, Michigan · In Southfield · Structure no. 000000000007912

Built
1964
61 years old, rebuilt 1997
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
101 ft
3 main spans
Daily traffic
121,266
2007 count
Owner
State
State Highway Agency

About this bridge

M-10 Nwestern HWY over I-696 Ramp D is a prestressed concrete box beam or girders - single or spread carrying M-10 Nwestern HWY over I-696 Ramp D in Oakland County, Michigan. It was built in 1964 and reconstructed in 1997, so it is 61 years old, older 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 121,266 vehicles a day, roughly 1% of them trucks, projected to reach 125,488 by 2018. The structure is 101 ft (30.9 m) long and 87 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesM-10 Nwestern HWY
CrossesI-696 Ramp D
LocationIn Southfield
RouteState Highway 10
CountyOakland County
StateMichigan
Coordinates42.49257, -83.28738
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating32.2 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length101 ft (30.9 m)
Longest span32 ft (9.8 m)
Deck width87 ft (26.5 m)
Roadway width84 ft (25.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic121,266 (2007)
Projected traffic125,488 by 2018
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was M-10 Nwestern HWY over I-696 Ramp D built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1997.

What condition is M-10 Nwestern HWY over I-696 Ramp D 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 M-10 Nwestern HWY over I-696 Ramp D carry?

About 121,266 vehicles per day (2007 count), of which roughly 1% are trucks.

How long is M-10 Nwestern HWY over I-696 Ramp D?

The structure is 101 ft (30.9 m) long with a longest span of 32 ft (9.8 m) and a deck 87 ft wide.

Who owns M-10 Nwestern HWY over I-696 Ramp D?

It is owned by the State Highway Agency.