US Bridges

Sage Lake RD over Rifle River

Fair

Ogemaw County, Michigan · 4 MI East of M-33 · Structure no. 000000000008452

Built
1990
35 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
74 ft
1 main span
Daily traffic
1,154
2006 count
Owner
County
County Highway Agency

About this bridge

Sage Lake RD over Rifle River is a prestressed concrete box beam or girders - multiple carrying Sage Lake RD over Rifle River in Ogemaw 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 1,154 vehicles a day, projected to reach 1,400 by 2026. The structure is 74 ft (22.5 m) long and 41 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesSage Lake RD
CrossesRifle River
Location4 MI East of M-33
RouteCounty Highway 6560
Coordinates44.36331, -84.04847
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating40.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length74 ft (22.5 m)
Longest span70 ft (21.3 m)
Deck width41 ft (12.5 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,154 (2006)
Projected traffic1,400 by 2026
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Sage Lake RD over Rifle River built?

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

What condition is Sage Lake RD over 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 July 2023.

How much traffic does Sage Lake RD over Rifle River carry?

About 1,154 vehicles per day (2006 count).

How long is Sage Lake RD over Rifle River?

The structure is 74 ft (22.5 m) long with a longest span of 70 ft (21.3 m) and a deck 41 ft wide.

Who owns Sage Lake RD over Rifle River?

It is owned by the County Highway Agency.