US Bridges

17 Mile RD over Pine River

Good

Osceola County, Michigan · Section 6 T19N R10W · Structure no. 000000000008628

Built
2009
16 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
61 ft
3 main spans
Daily traffic
23
2017 count
Owner
County
County Highway Agency

About this bridge

17 Mile RD over Pine River is a wood or timber stringer/multi-beam or girder carrying 17 Mile RD over Pine River in Osceola County, Michigan. It was built in 2009, so it is 16 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 23 vehicles a day, roughly 5% of them trucks, projected to reach 100 by 2037. The structure is 61 ft (18.6 m) long and 32 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Carries17 Mile RD
CrossesPine River
LocationSection 6 T19N R10W
RouteCounty Highway 0
Coordinates44.06342, -85.54809
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating65.7 US tons
Inventory rating45.7 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20 + Mod
Structure length61 ft (18.6 m)
Longest span36 ft (11 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23 (2017)
Projected traffic100 by 2037
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 17 Mile RD over Pine River built?

It was built in 2009, making it 16 years old in 2025.

What condition is 17 Mile RD over Pine River 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 July 2024.

How much traffic does 17 Mile RD over Pine River carry?

About 23 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is 17 Mile RD over Pine River?

The structure is 61 ft (18.6 m) long with a longest span of 36 ft (11 m) and a deck 32 ft wide.

Who owns 17 Mile RD over Pine River?

It is owned by the County Highway Agency.