US Bridges

Clifford ST over I-75

Fair

Wayne County, Michigan · In Detroit · Structure no. 000000000011779

Built
1967
58 years old, rebuilt 1998
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
155 ft
2 main spans
Daily traffic
6,600
1988 count
Owner
State
State Highway Agency

About this bridge

Clifford ST over I-75 is a steel continuous stringer/multi-beam or girder carrying Clifford ST over I-75 in Wayne County, Michigan. It was built in 1967 and reconstructed in 1998, so it is 58 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 6 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 6,600 vehicles a day, roughly 3% of them trucks, projected to reach 7,590 by 2008. The structure is 155 ft (47.2 m) long and 64 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesClifford ST
CrossesI-75
LocationIn Detroit
RouteCity Street 2000
Coordinates42.33841, -83.05592
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length155 ft (47.2 m)
Longest span78 ft (23.7 m)
Deck width64 ft (19.4 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,600 (1988)
Projected traffic7,590 by 2008
Trucks3%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
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 Clifford ST over I-75 built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1998.

What condition is Clifford ST over I-75 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 May 2024.

How much traffic does Clifford ST over I-75 carry?

About 6,600 vehicles per day (1988 count), of which roughly 3% are trucks.

How long is Clifford ST over I-75?

The structure is 155 ft (47.2 m) long with a longest span of 78 ft (23.7 m) and a deck 64 ft wide.

Who owns Clifford ST over I-75?

It is owned by the State Highway Agency.