US Bridges

Rotunda Drive over Schaefer Road

Poor

Wayne County, Michigan · Dearborn N/I-94 · Structure no. 000000000012052

Built
1932
93 years old, rebuilt 1987
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
95 ft
4 main spans
Daily traffic
18,726
1995 count
Owner
County
County Highway Agency

About this bridge

Rotunda Drive over Schaefer Road is a prestressed concrete stringer/multi-beam or girder carrying Rotunda Drive over Schaefer Road in Wayne County, Michigan. It was built in 1932 and reconstructed in 1987, so it is 93 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 18,726 vehicles a day, roughly 8% of them trucks, projected to reach 8,923 by 2015. The structure is 95 ft (28.9 m) long and 73 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRotunda Drive
CrossesSchaefer Road
LocationDearborn N/I-94
RouteCounty Highway 2057
CountyWayne County
StateMichigan
Coordinates42.31404, -83.17561
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating27.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length95 ft (28.9 m)
Longest span31 ft (9.4 m)
Deck width73 ft (22.1 m)
Roadway width60 ft (18.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,726 (1995)
Projected traffic8,923 by 2015
Trucks8%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Schaefer Road built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1987.

What condition is Rotunda Drive over Schaefer Road in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Rotunda Drive over Schaefer Road carry?

About 18,726 vehicles per day (1995 count), of which roughly 8% are trucks.

How long is Rotunda Drive over Schaefer Road?

The structure is 95 ft (28.9 m) long with a longest span of 31 ft (9.4 m) and a deck 73 ft wide.

Who owns Rotunda Drive over Schaefer Road?

It is owned by the County Highway Agency.