US Bridges

Dequindre over I-75 Ramp to Davison

Good

Wayne County, Michigan · In Detroit over Ramp C to · Structure no. 000000000011865

Built
1969
56 years old, rebuilt 2003
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
55 ft
1 main span
Daily traffic
1,805
2021 count
Owner
State
State Highway Agency

About this bridge

Dequindre over I-75 Ramp to Davison is a steel stringer/multi-beam or girder carrying Dequindre over I-75 Ramp to Davison in Wayne County, Michigan. It was built in 1969 and reconstructed in 2003, so it is 56 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 1,805 vehicles a day, roughly 3% of them trucks, projected to reach 1,925 by 2042. The structure is 55 ft (16.7 m) long and 72 ft wide.

CarriesDequindre
CrossesI-75 Ramp to Davison
LocationIn Detroit over Ramp C to
RouteCity Street 2000
Coordinates42.40855, -83.07679
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating107.1 US tons
Inventory rating67.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length55 ft (16.7 m)
Longest span55 ft (16.7 m)
Deck width72 ft (21.9 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,805 (2021)
Projected traffic1,925 by 2042
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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 Dequindre over I-75 Ramp to Davison built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2003.

What condition is Dequindre over I-75 Ramp to Davison 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 2024.

How much traffic does Dequindre over I-75 Ramp to Davison carry?

About 1,805 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Dequindre over I-75 Ramp to Davison?

The structure is 55 ft (16.7 m) long with a longest span of 55 ft (16.7 m) and a deck 72 ft wide.

Who owns Dequindre over I-75 Ramp to Davison?

It is owned by the State Highway Agency.