US Bridges

Wolf Road over Betsie River

Good

Benzie County, Michigan · 0.5 MI NW Thompsonville · Structure no. 000000000000773

Built
1998
27 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
66 ft
3 main spans
Daily traffic
49
2008 count
Owner
County
County Highway Agency

About this bridge

Wolf Road over Betsie River is a wood or timber stringer/multi-beam or girder carrying Wolf Road over Betsie River in Benzie County, Michigan. It was built in 1998, so it is 27 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 49 vehicles a day, roughly 3% of them trucks, projected to reach 75 by 2017. The structure is 66 ft (20 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWolf Road
CrossesBetsie River
Location0.5 MI NW Thompsonville
RouteCounty Highway 0
Coordinates44.52863, -85.94863
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 protection7 GoodSome minor problems.
Last inspectionAugust 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60.4 US tons
Inventory rating41.8 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length66 ft (20 m)
Longest span46 ft (14 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (2008)
Projected traffic75 by 2017
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Wolf Road over Betsie River built?

It was built in 1998, making it 27 years old in 2025.

What condition is Wolf Road over Betsie 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 August 2024.

How much traffic does Wolf Road over Betsie River carry?

About 49 vehicles per day (2008 count), of which roughly 3% are trucks.

How long is Wolf Road over Betsie River?

The structure is 66 ft (20 m) long with a longest span of 46 ft (14 m) and a deck 32 ft wide.

Who owns Wolf Road over Betsie River?

It is owned by the County Highway Agency.