US Bridges

M-1 Woodward Av over I-75

Good

Wayne County, Michigan · In Detroit · Structure no. 000000000011780

Built
2014
11 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
160 ft
2 main spans
Daily traffic
18,939
2007 count
Owner
State
State Highway Agency

About this bridge

M-1 Woodward Av over I-75 is a steel continuous stringer/multi-beam or girder carrying M-1 Woodward Av over I-75 in Wayne County, Michigan. It was built in 2014, so it is 11 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 18,939 vehicles a day, roughly 3% of them trucks, projected to reach 26,700 by 2026. The structure is 160 ft (48.8 m) long and 113 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesM-1 Woodward Av
CrossesI-75
LocationIn Detroit
RouteState Highway 1
CountyWayne County
StateMichigan
Coordinates42.33984, -83.05281
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadGreater than HL 93
Structure length160 ft (48.8 m)
Longest span84 ft (25.6 m)
Deck width113 ft (34.3 m)
Roadway width83 ft (25.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,939 (2007)
Projected traffic26,700 by 2026
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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-1 Woodward Av over I-75 built?

It was built in 2014, making it 11 years old in 2025.

What condition is M-1 Woodward Av over I-75 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 March 2024.

How much traffic does M-1 Woodward Av over I-75 carry?

About 18,939 vehicles per day (2007 count), of which roughly 3% are trucks.

How long is M-1 Woodward Av over I-75?

The structure is 160 ft (48.8 m) long with a longest span of 84 ft (25.6 m) and a deck 113 ft wide.

Who owns M-1 Woodward Av over I-75?

It is owned by the State Highway Agency.