US Bridges

9 MI RD SB Turn RD over I-94

Fair

Macomb County, Michigan · In ST Clair Shores · Structure no. 000000000006147

Built
1964
61 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
184 ft
4 main spans
Daily traffic
1,800
1980 count
Owner
State
State Highway Agency

About this bridge

9 MI RD SB Turn RD over I-94 is a steel stringer/multi-beam or girder carrying 9 MI RD SB Turn RD over I-94 in Macomb County, Michigan. It was built in 1964, so it is 61 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 1,800 vehicles a day, roughly 3% of them trucks, projected to reach 5,000 by 2020. The structure is 184 ft (56.1 m) long and 29 ft wide.

Carries9 MI RD SB Turn RD
CrossesI-94
LocationIn ST Clair Shores
RouteCity Street 0
Coordinates42.46459, -82.92164
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionJuly 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 geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating107.1 US tons
Inventory rating68.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length184 ft (56.1 m)
Longest span62 ft (19 m)
Deck width29 ft (8.7 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (1980)
Projected traffic5,000 by 2020
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
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 9 MI RD SB Turn RD over I-94 built?

It was built in 1964, making it 61 years old in 2025.

What condition is 9 MI RD SB Turn 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 July 2023.

How much traffic does 9 MI RD SB Turn RD over I-94 carry?

About 1,800 vehicles per day (1980 count), of which roughly 3% are trucks.

How long is 9 MI RD SB Turn RD over I-94?

The structure is 184 ft (56.1 m) long with a longest span of 62 ft (19 m) and a deck 29 ft wide.

Who owns 9 MI RD SB Turn RD over I-94?

It is owned by the State Highway Agency.