US Bridges

SB Crooks Road over I-75

Good

Oakland County, Michigan · In Troy · Structure no. 000000000008100

Built
1990
35 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
282 ft
4 main spans
Daily traffic
21,500
1990 count
Owner
State
State Highway Agency

About this bridge

SB Crooks Road over I-75 is a steel continuous stringer/multi-beam or girder carrying SB Crooks Road over I-75 in Oakland County, Michigan. It was built in 1990, so it is 35 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 21,500 vehicles a day, roughly 3% of them trucks, projected to reach 21,500 by 2010. The structure is 282 ft (85.9 m) long and 56 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSB Crooks Road
CrossesI-75
LocationIn Troy
RouteCounty Highway 2059
Coordinates42.60489, -83.16935
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.2 US tons
Inventory rating44 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length282 ft (85.9 m)
Longest span94 ft (28.8 m)
Deck width56 ft (17.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,500 (1990)
Projected traffic21,500 by 2010
Trucks3%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 km)
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 SB Crooks Road over I-75 built?

It was built in 1990, making it 35 years old in 2025.

What condition is SB Crooks Road over I-75 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does SB Crooks Road over I-75 carry?

About 21,500 vehicles per day (1990 count), of which roughly 3% are trucks.

How long is SB Crooks Road over I-75?

The structure is 282 ft (85.9 m) long with a longest span of 94 ft (28.8 m) and a deck 56 ft wide.

Who owns SB Crooks Road over I-75?

It is owned by the State Highway Agency.