US Bridges

M-5 Grand River over M-39 (southfield Exp)

Fair

Wayne County, Michigan · In Detroit · Structure no. 000000000011705

Built
1963
62 years old, rebuilt 1995
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
123 ft
2 main spans
Daily traffic
19,129
2007 count
Owner
State
State Highway Agency

About this bridge

M-5 Grand River over M-39 (southfield Exp) is a steel continuous stringer/multi-beam or girder carrying M-5 Grand River over M-39 (southfield Exp) in Wayne County, Michigan. It was built in 1963 and reconstructed in 1995, so it is 62 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 6 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 19,129 vehicles a day, roughly 4% of them trucks, projected to reach 22,330 by 2018. The structure is 123 ft (37.5 m) long and 116 ft wide.

CarriesM-5 Grand River
CrossesM-39 (southfield Exp)
LocationIn Detroit
RouteState Highway 5
Coordinates42.40067, -83.2182
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.3 US tons
Inventory rating35.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length123 ft (37.5 m)
Longest span62 ft (18.9 m)
Deck width116 ft (35.5 m)
Roadway width103 ft (31.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,129 (2007)
Projected traffic22,330 by 2018
Trucks4%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
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 M-5 Grand River over M-39 (southfield Exp) built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1995.

What condition is M-5 Grand River over M-39 (southfield Exp) 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 May 2024.

How much traffic does M-5 Grand River over M-39 (southfield Exp) carry?

About 19,129 vehicles per day (2007 count), of which roughly 4% are trucks.

How long is M-5 Grand River over M-39 (southfield Exp)?

The structure is 123 ft (37.5 m) long with a longest span of 62 ft (18.9 m) and a deck 116 ft wide.

Who owns M-5 Grand River over M-39 (southfield Exp)?

It is owned by the State Highway Agency.