US Bridges

17 Mile RD over US-131 SB

Fair

Mecosta County, Michigan · 1.5 MI W of Big Rapids · Structure no. 000000000006739

Built
1982
43 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
138 ft
1 main span
Daily traffic
250
1981 count
Owner
State
State Highway Agency

About this bridge

17 Mile RD over US-131 SB is a steel stringer/multi-beam or girder carrying 17 Mile RD over US-131 SB in Mecosta County, Michigan. It was built in 1982, so it is 43 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 250 vehicles a day, projected to reach 250 by 1977. The structure is 138 ft (42 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries17 Mile RD
CrossesUS-131 SB
Location1.5 MI W of Big Rapids
RouteCounty Highway 0
Coordinates43.71498, -85.53127
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.4 US tons
Inventory rating53.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length138 ft (42 m)
Longest span138 ft (42 m)
Deck width46 ft (13.9 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (1981)
Projected traffic250 by 1977
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 17 Mile RD over US-131 SB built?

It was built in 1982, making it 43 years old in 2025.

What condition is 17 Mile RD over US-131 SB 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 June 2023.

How much traffic does 17 Mile RD over US-131 SB carry?

About 250 vehicles per day (1981 count).

How long is 17 Mile RD over US-131 SB?

The structure is 138 ft (42 m) long with a longest span of 138 ft (42 m) and a deck 46 ft wide.

Who owns 17 Mile RD over US-131 SB?

It is owned by the State Highway Agency.