US Bridges

Atwater ST over Ring Road

Fair

Wayne County, Michigan · E of Renaissance DR · Structure no. 000000000014722

Built
1977
48 years old, rebuilt 2004
Condition
Fair
inspected July 2024
Type
Girder and Floorbeam System
Concrete Continuous
Length
692 ft
33 main spans
Daily traffic
1,824
2011 count
Owner
Local
Other Local Agency

About this bridge

Atwater ST over Ring Road is a concrete continuous girder and floorbeam system carrying Atwater ST over Ring Road in Wayne County, Michigan. It was built in 1977 and reconstructed in 2004, so it is 48 years old, younger 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 1,824 vehicles a day, roughly 3% of them trucks. The structure is 692 ft (210.8 m) long and 63 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesAtwater ST
CrossesRing Road
LocationE of Renaissance DR
RouteCity Street 0
CountyWayne County
StateMichigan
Coordinates42.32819, -83.03906
Functional classUrban Local

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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating47.2 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans33
Design loadHS 20
Structure length692 ft (210.8 m)
Longest span29 ft (8.9 m)
Deck width63 ft (19.3 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,824 (2011)
Projected traffic—
Trucks3%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesOther
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Atwater ST over Ring Road built?

It was built in 1977, making it 48 years old in 2025. It was reconstructed in 2004.

What condition is Atwater ST over Ring Road 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 Atwater ST over Ring Road carry?

About 1,824 vehicles per day (2011 count), of which roughly 3% are trucks.

How long is Atwater ST over Ring Road?

The structure is 692 ft (210.8 m) long with a longest span of 29 ft (8.9 m) and a deck 63 ft wide.

Who owns Atwater ST over Ring Road?

It is owned by the Other Local Agency.