US Bridges

Martin RD over I-94

Fair

Macomb County, Michigan · W Lts of ST Clair Shores · Structure no. 000000000006156

Built
1967
58 years old, rebuilt 1996
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
215 ft
4 main spans
Daily traffic
2,270
1996 count
Owner
State
State Highway Agency

About this bridge

Martin RD over I-94 is a steel stringer/multi-beam or girder carrying Martin RD over I-94 in Macomb County, Michigan. It was built in 1967 and reconstructed in 1996, 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 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 2,270 vehicles a day, roughly 10% of them trucks, projected to reach 9,200 by 2015. The structure is 215 ft (65.6 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMartin RD
CrossesI-94
LocationW Lts of ST Clair Shores
RouteCity Street 0
CountyMacomb County
StateMichigan
Coordinates42.50262, -82.91787
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating37.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length215 ft (65.6 m)
Longest span75 ft (22.8 m)
Deck width42 ft (12.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,270 (1996)
Projected traffic9,200 by 2015
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
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 proposedDeck replacement with only incidental widening
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Martin RD over I-94 built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1996.

What condition is Martin RD over I-94 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 2023.

How much traffic does Martin RD over I-94 carry?

About 2,270 vehicles per day (1996 count), of which roughly 10% are trucks.

How long is Martin RD over I-94?

The structure is 215 ft (65.6 m) long with a longest span of 75 ft (22.8 m) and a deck 42 ft wide.

Who owns Martin RD over I-94?

It is owned by the State Highway Agency.