US Bridges

I-96 EB over 9 Mile RD

Fair

Oakland County, Michigan · 1 MI W of Farmington · Structure no. 000000000008126

Built
1971
54 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
91 ft
1 main span
Daily traffic
182,700
2008 count
Owner
State
State Highway Agency

About this bridge

I-96 EB over 9 Mile RD is a steel stringer/multi-beam or girder carrying I-96 EB over 9 Mile RD in Oakland County, Michigan. It was built in 1971, so it is 54 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 182,700 vehicles a day, roughly 10% of them trucks, projected to reach 201,900 by 2028. The structure is 91 ft (27.7 m) long and 74 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-96 EB
Crosses9 Mile RD
Location1 MI W of Farmington
RouteInterstate 96
CountyOakland County
StateMichigan
Coordinates42.45358, -83.43152
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 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 rating85 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length91 ft (27.7 m)
Longest span91 ft (27.7 m)
Deck width74 ft (22.7 m)
Roadway width71 ft (21.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic182,700 (2008)
Projected traffic201,900 by 2028
Trucks10%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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 EB over 9 Mile RD built?

It was built in 1971, making it 54 years old in 2025.

What condition is I-96 EB over 9 Mile RD 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 December 2024.

How much traffic does I-96 EB over 9 Mile RD carry?

About 182,700 vehicles per day (2008 count), of which roughly 10% are trucks.

How long is I-96 EB over 9 Mile RD?

The structure is 91 ft (27.7 m) long with a longest span of 91 ft (27.7 m) and a deck 74 ft wide.

Who owns I-96 EB over 9 Mile RD?

It is owned by the State Highway Agency.