US Bridges

11 Mile Road over Big Bear Creek

Fair

Manistee County, Michigan · 4 MI NW of Kaleva · Structure no. 000000000006462

Built
1987
38 years old
Condition
Fair
inspected May 2024
Type
Slab
Wood or Timber
Length
40 ft
2 main spans
Daily traffic
50
1993 count
Owner
County
County Highway Agency

About this bridge

11 Mile Road over Big Bear Creek is a wood or timber slab carrying 11 Mile Road over Big Bear Creek in Manistee County, Michigan. It was built in 1987, so it is 38 years old, younger 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 50 vehicles a day, roughly 4% of them trucks, projected to reach 70 by 2018. The structure is 40 ft (12.2 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries11 Mile Road
CrossesBig Bear Creek
Location4 MI NW of Kaleva
RouteCounty Highway 0
CountyManistee County
StateMichigan
Coordinates44.39919, -86.04857
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating70.3 US tons
Inventory rating50 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20 + Mod
Structure length40 ft (12.2 m)
Longest span20 ft (6.1 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1993)
Projected traffic70 by 2018
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 11 Mile Road over Big Bear Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is 11 Mile Road over Big Bear Creek 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 2024.

How much traffic does 11 Mile Road over Big Bear Creek carry?

About 50 vehicles per day (1993 count), of which roughly 4% are trucks.

How long is 11 Mile Road over Big Bear Creek?

The structure is 40 ft (12.2 m) long with a longest span of 20 ft (6.1 m) and a deck 34 ft wide.

Who owns 11 Mile Road over Big Bear Creek?

It is owned by the County Highway Agency.