US Bridges

M-102 WB Serv RD over I-75

Fair

Wayne County, Michigan · In Detroit · Structure no. 000000000011852

Built
1969
56 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
127 ft
2 main spans
Daily traffic
14,430
1982 count
Owner
State
State Highway Agency

About this bridge

M-102 WB Serv RD over I-75 is a steel stringer/multi-beam or girder carrying M-102 WB Serv RD over I-75 in Wayne County, Michigan. It was built in 1969, 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 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 14,430 vehicles a day, projected to reach 14,430 by 1977. The structure is 127 ft (38.7 m) long and 54 ft wide.

Location

Open in Google Maps
CarriesM-102 WB Serv RD
CrossesI-75
LocationIn Detroit
RouteState Highway 102
CountyWayne County
StateMichigan
Coordinates42.4471, -83.0947
Functional classUrban Other Principal 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.8 US tons
Inventory rating51.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length127 ft (38.7 m)
Longest span64 ft (19.5 m)
Deck width54 ft (16.5 m)
Roadway width42 ft (12.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,430 (1982)
Projected traffic14,430 by 1977
Trucks—
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
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-102 WB Serv RD over I-75 built?

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

What condition is M-102 WB Serv RD 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 March 2024.

How much traffic does M-102 WB Serv RD over I-75 carry?

About 14,430 vehicles per day (1982 count).

How long is M-102 WB Serv RD over I-75?

The structure is 127 ft (38.7 m) long with a longest span of 64 ft (19.5 m) and a deck 54 ft wide.

Who owns M-102 WB Serv RD over I-75?

It is owned by the State Highway Agency.