US Bridges

Hossler Road over Thunder Bay River

Good

Montmorency County, Michigan · Section 20 Briley Twp · Structure no. 000000000012718

Built
1962
63 years old
Condition
Good
inspected November 2023
Type
Culvert
Steel
Length
23 ft
3 main spans
Daily traffic
120
2005 count
Owner
County
County Highway Agency

About this bridge

Hossler Road over Thunder Bay River is a steel culvert carrying Hossler Road over Thunder Bay River in Montmorency County, Michigan. It was built in 1962, so it is 63 years old, older 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 120 vehicles a day, roughly 12% of them trucks, projected to reach 200 by 2025. The structure is 23 ft (7 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesHossler Road
CrossesThunder Bay River
LocationSection 20 Briley Twp
RouteCounty Highway 0
Coordinates44.97225, -84.21768
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.4 US tons
Inventory rating49.6 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadH 20
Structure length23 ft (7 m)
Longest span6 ft (1.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2005)
Projected traffic200 by 2025
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$444,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Hossler Road over Thunder Bay River built?

It was built in 1962, making it 63 years old in 2025.

What condition is Hossler Road over Thunder Bay 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 November 2023.

How much traffic does Hossler Road over Thunder Bay River carry?

About 120 vehicles per day (2005 count), of which roughly 12% are trucks.

How long is Hossler Road over Thunder Bay River?

The structure is 23 ft (7 m) long with a longest span of 6 ft (1.9 m).

Who owns Hossler Road over Thunder Bay River?

It is owned by the County Highway Agency.