US Bridges

I-94 over 14 Mile RD

Fair

Macomb County, Michigan · N Lts ST Clair Shores · Structure no. 000000000006164

Built
1964
61 years old, rebuilt 2002
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
192 ft
3 main spans
Daily traffic
99,698
2007 count
Owner
State
State Highway Agency

About this bridge

I-94 over 14 Mile RD is a steel stringer/multi-beam or girder carrying I-94 over 14 Mile RD in Macomb County, Michigan. It was built in 1964 and reconstructed in 2002, 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 99,698 vehicles a day, roughly 5% of them trucks, projected to reach 98,524 by 2018. The structure is 192 ft (58.5 m) long and 126 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesI-94
Crosses14 Mile RD
LocationN Lts ST Clair Shores
RouteInterstate 94
CountyMacomb County
StateMichigan
Coordinates42.54035, -82.88594
Functional classUrban Principal Arterial - Interstate

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating107.1 US tons
Inventory rating70 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length192 ft (58.5 m)
Longest span66 ft (20.1 m)
Deck width126 ft (38.5 m)
Roadway width120 ft (36.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic99,698 (2007)
Projected traffic98,524 by 2018
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-94 over 14 Mile RD built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2002.

What condition is I-94 over 14 Mile RD 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 I-94 over 14 Mile RD carry?

About 99,698 vehicles per day (2007 count), of which roughly 5% are trucks.

How long is I-94 over 14 Mile RD?

The structure is 192 ft (58.5 m) long with a longest span of 66 ft (20.1 m) and a deck 126 ft wide.

Who owns I-94 over 14 Mile RD?

It is owned by the State Highway Agency.