US Bridges

Coolidge Road over I-696

Fair

Oakland County, Michigan · In Oak Park · Structure no. 000000000007933

Built
1985
40 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
154 ft
2 main spans
Daily traffic
8,000
1982 count
Owner
State
State Highway Agency

About this bridge

Coolidge Road over I-696 is a prestressed concrete stringer/multi-beam or girder carrying Coolidge Road over I-696 in Oakland County, Michigan. It was built in 1985, so it is 40 years old, younger 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 5 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 8,000 vehicles a day, roughly 3% of them trucks, projected to reach 8,000 by 1977. The structure is 154 ft (46.9 m) long and 83 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCoolidge Road
CrossesI-696
LocationIn Oak Park
RouteCity Street 2059
CountyOakland County
StateMichigan
Coordinates42.47447, -83.18259
Functional classUrban Minor 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating78.3 US tons
Inventory rating32.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length154 ft (46.9 m)
Longest span77 ft (23.5 m)
Deck width83 ft (25.2 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,000 (1982)
Projected traffic8,000 by 1977
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 Coolidge Road over I-696 built?

It was built in 1985, making it 40 years old in 2025.

What condition is Coolidge Road over I-696 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 July 2024.

How much traffic does Coolidge Road over I-696 carry?

About 8,000 vehicles per day (1982 count), of which roughly 3% are trucks.

How long is Coolidge Road over I-696?

The structure is 154 ft (46.9 m) long with a longest span of 77 ft (23.5 m) and a deck 83 ft wide.

Who owns Coolidge Road over I-696?

It is owned by the State Highway Agency.