US Bridges

I-96 WB Main Rdwy over M-39 (southfield Expr)

Poor

Wayne County, Michigan · In Detroit · Structure no. 000000000011555

Built
1970
55 years old
Condition
Poor
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
208 ft
4 main spans
Daily traffic
78,863
2007 count
Owner
State
State Highway Agency

About this bridge

I-96 WB Main Rdwy over M-39 (southfield Expr) is a steel stringer/multi-beam or girder carrying I-96 WB Main Rdwy over M-39 (southfield Expr) 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 78,863 vehicles a day, roughly 4% of them trucks, projected to reach 87,194 by 2018. The structure is 208 ft (63.4 m) long and 60 ft wide.

Location

Open in Google Maps
CarriesI-96 WB Main Rdwy
CrossesM-39 (southfield Expr)
LocationIn Detroit
RouteInterstate 96
CountyWayne County
StateMichigan
Coordinates42.3788, -83.21673
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.6 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length208 ft (63.4 m)
Longest span66 ft (20.1 m)
Deck width60 ft (18.3 m)
Roadway width58 ft (17.6 m)
Vertical clearance over deck14 ft (4.4 m)

Traffic and service

Average daily traffic78,863 (2007)
Projected traffic87,194 by 2018
Trucks4%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 WB Main Rdwy over M-39 (southfield Expr) built?

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

What condition is I-96 WB Main Rdwy over M-39 (southfield Expr) in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does I-96 WB Main Rdwy over M-39 (southfield Expr) carry?

About 78,863 vehicles per day (2007 count), of which roughly 4% are trucks.

How long is I-96 WB Main Rdwy over M-39 (southfield Expr)?

The structure is 208 ft (63.4 m) long with a longest span of 66 ft (20.1 m) and a deck 60 ft wide.

Who owns I-96 WB Main Rdwy over M-39 (southfield Expr)?

It is owned by the State Highway Agency.