US Bridges

Rotunda Drive over I-94

Fair

Wayne County, Michigan · In Dearborn · Structure no. 000000000011136

Built
1963
62 years old, rebuilt 2005
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
283 ft
4 main spans
Daily traffic
17,500
1978 count
Owner
State
State Highway Agency

About this bridge

Rotunda Drive over I-94 is a steel stringer/multi-beam or girder carrying Rotunda Drive over I-94 in Wayne County, Michigan. It was built in 1963 and reconstructed in 2005, so it is 62 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 6 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 17,500 vehicles a day, projected to reach 17,500 by 1977. The structure is 283 ft (86.2 m) long and 78 ft wide.

Location

Open in Google Maps
CarriesRotunda Drive
CrossesI-94
LocationIn Dearborn
RouteCounty Highway 2057
CountyWayne County
StateMichigan
Coordinates42.31516, -83.16951
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
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 alignment7: Better than present minimum criteria
Operating rating79.7 US tons
Inventory rating47.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length283 ft (86.2 m)
Longest span89 ft (27.1 m)
Deck width78 ft (23.9 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,500 (1978)
Projected traffic17,500 by 1977
Trucks0%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Rotunda Drive over I-94 built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2005.

What condition is Rotunda Drive 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 September 2023.

How much traffic does Rotunda Drive over I-94 carry?

About 17,500 vehicles per day (1978 count).

How long is Rotunda Drive over I-94?

The structure is 283 ft (86.2 m) long with a longest span of 89 ft (27.1 m) and a deck 78 ft wide.

Who owns Rotunda Drive over I-94?

It is owned by the State Highway Agency.