US Bridges

SB Conner Ave over I-94

Fair

Wayne County, Michigan · In Detroit · Structure no. 000000000011248

Built
1958
67 years old, rebuilt 1996
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
220 ft
4 main spans
Daily traffic
27,061
2010 count
Owner
State
State Highway Agency

About this bridge

SB Conner Ave over I-94 is a steel stringer/multi-beam or girder carrying SB Conner Ave over I-94 in Wayne County, Michigan. It was built in 1958 and reconstructed in 1996, so it is 67 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 27,061 vehicles a day, roughly 3% of them trucks, projected to reach 29,767 by 2025. The structure is 220 ft (67 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSB Conner Ave
CrossesI-94
LocationIn Detroit
RouteCity Street 2000
CountyWayne County
StateMichigan
Coordinates42.39546, -82.98909
Functional classUrban Other Principal 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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
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 alignment7: Better than present minimum criteria
Operating rating101.7 US tons
Inventory rating60.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length220 ft (67 m)
Longest span68 ft (20.7 m)
Deck width60 ft (18.2 m)
Roadway width48 ft (14.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,061 (2010)
Projected traffic29,767 by 2025
Trucks3%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 SB Conner Ave over I-94 built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1996.

What condition is SB Conner Ave 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 November 2023.

How much traffic does SB Conner Ave over I-94 carry?

About 27,061 vehicles per day (2010 count), of which roughly 3% are trucks.

How long is SB Conner Ave over I-94?

The structure is 220 ft (67 m) long with a longest span of 68 ft (20.7 m) and a deck 60 ft wide.

Who owns SB Conner Ave over I-94?

It is owned by the State Highway Agency.