US Bridges

Featherstone RD WB over I-75

Fair

Oakland County, Michigan · 0.4 MI N. of M-59 · Structure no. 000000000008002

Built
1990
35 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
440 ft
4 main spans
Daily traffic
12,250
2019 count
Owner
State
State Highway Agency

About this bridge

Featherstone RD WB over I-75 is a prestressed concrete stringer/multi-beam or girder carrying Featherstone RD WB 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 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 12,250 vehicles a day, roughly 14% of them trucks, projected to reach 13,000 by 2039. The structure is 440 ft (134.1 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFeatherstone RD WB
CrossesI-75
Location0.4 MI N. of M-59
RouteCity Street 9230
CountyOakland County
StateMichigan
Coordinates42.64933, -83.23845
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.3 US tons
Inventory rating48.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length440 ft (134.1 m)
Longest span110 ft (33.5 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,250 (2019)
Projected traffic13,000 by 2039
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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 Featherstone RD WB over I-75 built?

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

What condition is Featherstone RD WB over I-75 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 2023.

How much traffic does Featherstone RD WB over I-75 carry?

About 12,250 vehicles per day (2019 count), of which roughly 14% are trucks.

How long is Featherstone RD WB over I-75?

The structure is 440 ft (134.1 m) long with a longest span of 110 ft (33.5 m) and a deck 35 ft wide.

Who owns Featherstone RD WB over I-75?

It is owned by the State Highway Agency.