US Bridges

M-150 over Gtw RR Clin R 1st&2st

Fair

Oakland County, Michigan · In Rochester (s Main St) · Structure no. 000000000007989

Built
1989
36 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
810 ft
8 main spans
Daily traffic
25,367
2007 count
Owner
State
State Highway Agency

About this bridge

M-150 over Gtw RR Clin R 1st&2st is a prestressed concrete box beam or girders - multiple carrying M-150 over Gtw RR Clin R 1st&2st in Oakland County, Michigan. It was built in 1989, so it is 36 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 25,367 vehicles a day, roughly 9% of them trucks, projected to reach 31,723 by 2018. The structure is 810 ft (246.9 m) long and 70 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesM-150
CrossesGtw RR Clin R 1st&2st
LocationIn Rochester (s Main St)
RouteState Highway 150
CountyOakland County
StateMichigan
Coordinates42.67491, -83.13347
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating55.3 US tons
Inventory rating10 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 25 or greater
Structure length810 ft (246.9 m)
Longest span101 ft (30.9 m)
Deck width70 ft (21.4 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,367 (2007)
Projected traffic31,723 by 2018
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway, waterway and railroad
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was M-150 over Gtw RR Clin R 1st&2st built?

It was built in 1989, making it 36 years old in 2025.

What condition is M-150 over Gtw RR Clin R 1st&2st 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 May 2023.

How much traffic does M-150 over Gtw RR Clin R 1st&2st carry?

About 25,367 vehicles per day (2007 count), of which roughly 9% are trucks.

How long is M-150 over Gtw RR Clin R 1st&2st?

The structure is 810 ft (246.9 m) long with a longest span of 101 ft (30.9 m) and a deck 70 ft wide.

Who owns M-150 over Gtw RR Clin R 1st&2st?

It is owned by the State Highway Agency.