US Bridges

M-33 over W Br Rifle River

Fair

Ogemaw County, Michigan · 1.5 MI S of M-55 · Structure no. 000000000008436

Built
1985
40 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
143 ft
3 main spans
Daily traffic
3,091
2007 count
Owner
State
State Highway Agency

About this bridge

M-33 over W Br Rifle River is a prestressed concrete stringer/multi-beam or girder carrying M-33 over W Br Rifle River in Ogemaw 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 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 3,091 vehicles a day, roughly 11% of them trucks, projected to reach 3,623 by 2018. The structure is 143 ft (43.5 m) long and 51 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

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CarriesM-33
CrossesW Br Rifle River
Location1.5 MI S of M-55
RouteState Highway 33
CountyOgemaw County
StateMichigan
Coordinates44.2547, -84.12566
Functional classRural Principal Arterial - Other

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating79.3 US tons
Inventory rating47.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length143 ft (43.5 m)
Longest span51 ft (15.5 m)
Deck width51 ft (15.6 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,091 (2007)
Projected traffic3,623 by 2018
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was M-33 over W Br Rifle River built?

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

What condition is M-33 over W Br Rifle River 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-33 over W Br Rifle River carry?

About 3,091 vehicles per day (2007 count), of which roughly 11% are trucks.

How long is M-33 over W Br Rifle River?

The structure is 143 ft (43.5 m) long with a longest span of 51 ft (15.5 m) and a deck 51 ft wide.

Who owns M-33 over W Br Rifle River?

It is owned by the State Highway Agency.