US Bridges

Freesoil Road over Big Sauble River

Fair

Mason County, Michigan · 4.1 MI E of Freesoil · Structure no. 000000000013614

Built
1960
65 years old
Condition
Fair
inspected August 2024
Type
Culvert
Steel
Length
37 ft
2 main spans
Daily traffic
800
2011 count
Owner
County
County Highway Agency

About this bridge

Freesoil Road over Big Sauble River is a steel culvert carrying Freesoil Road over Big Sauble River in Mason County, Michigan. It was built in 1960, so it is 65 years old, older 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 800 vehicles a day, roughly 10% of them trucks, projected to reach 1,200 by 2021. The structure is 37 ft (11.2 m) long. If it were closed, the detour would be 29.8 mi (48 km).

CarriesFreesoil Road
CrossesBig Sauble River
Location4.1 MI E of Freesoil
RouteCounty Highway 0
Coordinates44.10528, -86.1175
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.9 US tons
Inventory rating49.6 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length37 ft (11.2 m)
Longest span17 ft (5.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2011)
Projected traffic1,200 by 2021
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 Freesoil Road over Big Sauble River built?

It was built in 1960, making it 65 years old in 2025.

What condition is Freesoil Road over Big Sauble River 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 August 2024.

How much traffic does Freesoil Road over Big Sauble River carry?

About 800 vehicles per day (2011 count), of which roughly 10% are trucks.

How long is Freesoil Road over Big Sauble River?

The structure is 37 ft (11.2 m) long with a longest span of 17 ft (5.1 m).

Who owns Freesoil Road over Big Sauble River?

It is owned by the County Highway Agency.