US Bridges

Lyndon Ave over M-39

Good

Wayne County, Michigan · In Detroit · Structure no. 000000000011704

Built
1961
64 years old, rebuilt 2010
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
110 ft
2 main spans
Daily traffic
1,800
2008 count
Owner
State
State Highway Agency

About this bridge

Lyndon Ave over M-39 is a prestressed concrete box beam or girders - multiple carrying Lyndon Ave over M-39 in Wayne County, Michigan. It was built in 1961 and reconstructed in 2010, so it is 64 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 1,800 vehicles a day, projected to reach 2,000 by 2029. The structure is 110 ft (33.6 m) long and 67 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLyndon Ave
CrossesM-39
LocationIn Detroit
RouteCity Street 0
CountyWayne County
StateMichigan
Coordinates42.3939, -83.2179
Functional classUrban Local

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 inspectionAugust 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 rating101.1 US tons
Inventory rating60.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadGreater than HL 93
Structure length110 ft (33.6 m)
Longest span53 ft (16.2 m)
Deck width67 ft (20.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2008)
Projected traffic2,000 by 2029
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lyndon Ave over M-39 built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2010.

What condition is Lyndon Ave over M-39 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 August 2023.

How much traffic does Lyndon Ave over M-39 carry?

About 1,800 vehicles per day (2008 count).

How long is Lyndon Ave over M-39?

The structure is 110 ft (33.6 m) long with a longest span of 53 ft (16.2 m) and a deck 67 ft wide.

Who owns Lyndon Ave over M-39?

It is owned by the State Highway Agency.