US Bridges

I-96 EB Collector over M-39 Southfield Frwy

Fair

Wayne County, Michigan · In Detroit · Structure no. 000000000011551

Built
1970
55 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
234 ft
4 main spans
Daily traffic
62,900
1982 count
Owner
State
State Highway Agency

About this bridge

I-96 EB Collector over M-39 Southfield Frwy is a steel stringer/multi-beam or girder carrying I-96 EB Collector over M-39 Southfield Frwy in Wayne County, Michigan. It was built in 1970, so it is 55 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 62,900 vehicles a day, roughly 6% of them trucks, projected to reach 62,900 by 1977. The structure is 234 ft (71.3 m) long and 66 ft wide.

CarriesI-96 EB Collector
CrossesM-39 Southfield Frwy
LocationIn Detroit
RouteInterstate 96
Coordinates42.37841, -83.21663
Functional classUrban Principal Arterial - Interstate

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.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.5 US tons
Inventory rating43.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length234 ft (71.3 m)
Longest span77 ft (23.4 m)
Deck width66 ft (20 m)
Roadway width43 ft (13 m)
Vertical clearance over deck14 ft (4.4 m)

Traffic and service

Average daily traffic62,900 (1982)
Projected traffic62,900 by 1977
Trucks6%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
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 I-96 EB Collector over M-39 Southfield Frwy built?

It was built in 1970, making it 55 years old in 2025.

What condition is I-96 EB Collector over M-39 Southfield Frwy 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 August 2023.

How much traffic does I-96 EB Collector over M-39 Southfield Frwy carry?

About 62,900 vehicles per day (1982 count), of which roughly 6% are trucks.

How long is I-96 EB Collector over M-39 Southfield Frwy?

The structure is 234 ft (71.3 m) long with a longest span of 77 ft (23.4 m) and a deck 66 ft wide.

Who owns I-96 EB Collector over M-39 Southfield Frwy?

It is owned by the State Highway Agency.