US Bridges

Lonyo Ave over I-94

Good

Wayne County, Michigan · In Detroit · Structure no. 000000000011171

Built
1949
76 years old, rebuilt 2006
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
178 ft
4 main spans
Daily traffic
13,370
1978 count
Owner
State
State Highway Agency

About this bridge

Lonyo Ave over I-94 is a steel stringer/multi-beam or girder carrying Lonyo Ave over I-94 in Wayne County, Michigan. It was built in 1949 and reconstructed in 2006, so it is 76 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 13,370 vehicles a day, projected to reach 12,250 by 2026. The structure is 178 ft (54.3 m) long and 64 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLonyo Ave
CrossesI-94
LocationIn Detroit
RouteCity Street 2000
CountyWayne County
StateMichigan
Coordinates42.33126, -83.14503
Functional classUrban Minor 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 inspectionSeptember 2023
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 rating106 US tons
Inventory rating63.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length178 ft (54.3 m)
Longest span57 ft (17.4 m)
Deck width64 ft (19.6 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,370 (1978)
Projected traffic12,250 by 2026
Trucks—
Lanes on structure4
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lonyo Ave over I-94 built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 2006.

What condition is Lonyo 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 September 2023.

How much traffic does Lonyo Ave over I-94 carry?

About 13,370 vehicles per day (1978 count).

How long is Lonyo Ave over I-94?

The structure is 178 ft (54.3 m) long with a longest span of 57 ft (17.4 m) and a deck 64 ft wide.

Who owns Lonyo Ave over I-94?

It is owned by the State Highway Agency.