US Bridges

Southern Avenue over Wyoming Avenue

Fair

Wayne County, Michigan · Dearborn S/Michigan · Structure no. 000000000012237

Built
1925
100 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
95 ft
2 main spans
Daily traffic
3,000
1987 count
Owner
County
County Highway Agency

About this bridge

Southern Avenue over Wyoming Avenue is a steel continuous stringer/multi-beam or girder carrying Southern Avenue over Wyoming Avenue in Wayne County, Michigan. It was built in 1925, so it is 100 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 3,000 vehicles a day, roughly 5% of them trucks, projected to reach 21,246 by 2015. The structure is 95 ft (28.9 m) long and 48 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSouthern Avenue
CrossesWyoming Avenue
LocationDearborn S/Michigan
RouteCity Street 2057
CountyWayne County
StateMichigan
Coordinates42.31821, -83.15777
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionOctober 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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating55.7 US tons
Inventory rating33.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20 + Mod
Structure length95 ft (28.9 m)
Longest span32 ft (9.7 m)
Deck width48 ft (14.7 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (1987)
Projected traffic21,246 by 2015
Trucks5%
Lanes on structure4
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

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 Southern Avenue over Wyoming Avenue built?

It was built in 1925, making it 100 years old in 2025.

What condition is Southern Avenue over Wyoming Avenue 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 October 2024.

How much traffic does Southern Avenue over Wyoming Avenue carry?

About 3,000 vehicles per day (1987 count), of which roughly 5% are trucks.

How long is Southern Avenue over Wyoming Avenue?

The structure is 95 ft (28.9 m) long with a longest span of 32 ft (9.7 m) and a deck 48 ft wide.

Who owns Southern Avenue over Wyoming Avenue?

It is owned by the County Highway Agency.