US Bridges

Lafayette Ave over I-375

Fair

Wayne County, Michigan · In Detroit · Structure no. 000000000011391

Built
1960
65 years old, rebuilt 1990
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
185 ft
4 main spans
Daily traffic
5,090
Owner
State
State Highway Agency

About this bridge

Lafayette Ave over I-375 is a prestressed concrete stringer/multi-beam or girder carrying Lafayette Ave over I-375 in Wayne County, Michigan. It was built in 1960 and reconstructed in 1990, so it is 65 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 5 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 5,090 vehicles a day, projected to reach 1,300 by 2010. The structure is 185 ft (56.4 m) long and 114 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLafayette Ave
CrossesI-375
LocationIn Detroit
RouteCity Street 2000
Coordinates42.33568, -83.03773
Functional classUrban Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating34.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length185 ft (56.4 m)
Longest span63 ft (19.2 m)
Deck width114 ft (34.7 m)
Roadway width90 ft (27.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,090 (—)
Projected traffic1,300 by 2010
Trucks—
Lanes on structure6
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 Lafayette Ave over I-375 built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1990.

What condition is Lafayette Ave over I-375 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 June 2024.

How much traffic does Lafayette Ave over I-375 carry?

About 5,090 vehicles per day (latest count).

How long is Lafayette Ave over I-375?

The structure is 185 ft (56.4 m) long with a longest span of 63 ft (19.2 m) and a deck 114 ft wide.

Who owns Lafayette Ave over I-375?

It is owned by the State Highway Agency.