US Bridges

10 Mile Road over Little Manistee River

FairPosted for load

Lake County, Michigan · 3 MI W 1 MI S of Irons · Structure no. 000000000005291

Built
1954
71 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
24 ft
2 main spans
Daily traffic
115
2007 count
Owner
County
County Highway Agency

About this bridge

10 Mile Road over Little Manistee River is a wood or timber stringer/multi-beam or girder carrying 10 Mile Road over Little Manistee River in Lake County, Michigan. It was built in 1954, so it is 71 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 115 vehicles a day, projected to reach 210 by 2027. The structure is 24 ft (7.3 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries10 Mile Road
CrossesLittle Manistee River
Location3 MI W 1 MI S of Irons
RouteCounty Highway 0
CountyLake County
StateMichigan
Coordinates44.13032, -85.98947
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.5 US tons
Inventory rating19 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20 + Mod
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic115 (2007)
Projected traffic210 by 2027
Trucks0%
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 10 Mile Road over Little Manistee River built?

It was built in 1954, making it 71 years old in 2025.

What condition is 10 Mile Road over Little Manistee 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 May 2023.

How much traffic does 10 Mile Road over Little Manistee River carry?

About 115 vehicles per day (2007 count).

How long is 10 Mile Road over Little Manistee River?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 24 ft wide.

Who owns 10 Mile Road over Little Manistee River?

It is owned by the County Highway Agency.