US Bridges

17 Mile RD over US-131 NB

Good

Mecosta County, Michigan · 1.5 MI W of Big Rapids · Structure no. 000000000006740

Built
1982
43 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
138 ft
1 main span
Daily traffic
700
1988 count
Owner
State
State Highway Agency

About this bridge

17 Mile RD over US-131 NB is a steel stringer/multi-beam or girder carrying 17 Mile RD over US-131 NB 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 700 vehicles a day, roughly 3% of them trucks, projected to reach 640 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 NB
Location1.5 MI W of Big Rapids
RouteCounty Highway 0
Coordinates43.71502, -85.53012
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.9 US tons
Inventory rating50.4 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 traffic700 (1988)
Projected traffic640 by 1977
Trucks3%
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 NB built?

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

What condition is 17 Mile RD over US-131 NB in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

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

About 700 vehicles per day (1988 count), of which roughly 3% are trucks.

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

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 NB?

It is owned by the State Highway Agency.