US Bridges

Davison to I-75 Rp over Gtwrr I-75&DAVISON(M-8)

Good

Wayne County, Michigan · In Detroit · Structure no. 000000000011840

Built
1971
54 years old, rebuilt 2021
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,071 ft
9 main spans
Daily traffic
5,930
2020 count
Owner
State
State Highway Agency

About this bridge

Davison to I-75 Rp over Gtwrr I-75&DAVISON(M-8) is a steel continuous stringer/multi-beam or girder carrying Davison to I-75 Rp over Gtwrr I-75&DAVISON(M-8) in Wayne County, Michigan. It was built in 1971 and reconstructed in 2021, so it is 54 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 5,930 vehicles a day, roughly 4% of them trucks, projected to reach 6,295 by 2040. The structure is 1,071 ft (326.5 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesDavison to I-75 Rp
CrossesGtwrr I-75&DAVISON(M-8)
LocationIn Detroit
RouteState Highway 8
CountyWayne County
StateMichigan
Coordinates42.40927, -83.07975
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.2 US tons
Inventory rating46.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20 + Mod
Structure length1,071 ft (326.5 m)
Longest span186 ft (56.7 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,930 (2020)
Projected traffic6,295 by 2040
Trucks4%
Lanes on structure1
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway and railroad
Detour if closed3.1 mi (5 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 Davison to I-75 Rp over Gtwrr I-75&DAVISON(M-8) built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2021.

What condition is Davison to I-75 Rp over Gtwrr I-75&DAVISON(M-8) 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 April 2023.

How much traffic does Davison to I-75 Rp over Gtwrr I-75&DAVISON(M-8) carry?

About 5,930 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Davison to I-75 Rp over Gtwrr I-75&DAVISON(M-8)?

The structure is 1,071 ft (326.5 m) long with a longest span of 186 ft (56.7 m) and a deck 31 ft wide.

Who owns Davison to I-75 Rp over Gtwrr I-75&DAVISON(M-8)?

It is owned by the State Highway Agency.