US Bridges

Grove ST over I-94

Fair

Washtenaw County, Michigan · In Ypsilanti · Structure no. 000000000010848

Built
1972
53 years old, rebuilt 2005
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
355 ft
4 main spans
Daily traffic
11,296
2019 count
Owner
State
State Highway Agency

About this bridge

Grove ST over I-94 is a steel stringer/multi-beam or girder carrying Grove ST over I-94 in Washtenaw County, Michigan. It was built in 1972 and reconstructed in 2005, so it is 53 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 11,296 vehicles a day, roughly 4% of them trucks, projected to reach 12,990 by 2039. The structure is 355 ft (108.1 m) long and 66 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesGrove ST
CrossesI-94
LocationIn Ypsilanti
RouteCity Street 2006
CountyWashtenaw County
StateMichigan
Coordinates42.23145, -83.59988
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 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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating76.8 US tons
Inventory rating46.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length355 ft (108.1 m)
Longest span119 ft (36.2 m)
Deck width66 ft (20.2 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,296 (2019)
Projected traffic12,990 by 2039
Trucks4%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 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 Grove ST over I-94 built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2005.

What condition is Grove ST 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 2024.

How much traffic does Grove ST over I-94 carry?

About 11,296 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is Grove ST over I-94?

The structure is 355 ft (108.1 m) long with a longest span of 119 ft (36.2 m) and a deck 66 ft wide.

Who owns Grove ST over I-94?

It is owned by the State Highway Agency.