US Bridges

NB Conner Ave over I-94

Good

Wayne County, Michigan · In Detroit · Structure no. 000000000011249

Built
1958
67 years old, rebuilt 2000
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
171 ft
4 main spans
Daily traffic
33,200
1978 count
Owner
State
State Highway Agency

About this bridge

NB Conner Ave over I-94 is a steel stringer/multi-beam or girder carrying NB Conner Ave over I-94 in Wayne County, Michigan. It was built in 1958 and reconstructed in 2000, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 33,200 vehicles a day, roughly 3% of them trucks, projected to reach 33,200 by 1977. The structure is 171 ft (52.1 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNB Conner Ave
CrossesI-94
LocationIn Detroit
RouteCity Street 2000
Coordinates42.39657, -82.98759
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.9 US tons
Inventory rating50.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length171 ft (52.1 m)
Longest span57 ft (17.3 m)
Deck width57 ft (17.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,200 (1978)
Projected traffic33,200 by 1977
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 NB Conner Ave over I-94 built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2000.

What condition is NB Conner Ave over I-94 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

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

About 33,200 vehicles per day (1978 count), of which roughly 3% are trucks.

How long is NB Conner Ave over I-94?

The structure is 171 ft (52.1 m) long with a longest span of 57 ft (17.3 m) and a deck 57 ft wide.

Who owns NB Conner Ave over I-94?

It is owned by the State Highway Agency.