US Bridges

US-131 SB over 11 Mile Road

Fair

Mecosta County, Michigan · 4.0 MI S of Big Rapids · Structure no. 000000000006730

Built
1981
44 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
104 ft
1 main span
Daily traffic
7,789
2007 count
Owner
State
State Highway Agency

About this bridge

US-131 SB over 11 Mile Road is a steel stringer/multi-beam or girder carrying US-131 SB over 11 Mile Road in Mecosta County, Michigan. It was built in 1981, so it is 44 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 7,789 vehicles a day, roughly 13% of them trucks, projected to reach 13,522 by 2018. The structure is 104 ft (31.7 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS-131 SB
Crosses11 Mile Road
Location4.0 MI S of Big Rapids
RouteU.S. Route 131
Coordinates43.62732, -85.50275
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.1 US tons
Inventory rating58.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length104 ft (31.7 m)
Longest span104 ft (31.7 m)
Deck width46 ft (13.9 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,789 (2007)
Projected traffic13,522 by 2018
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-131 SB over 11 Mile Road built?

It was built in 1981, making it 44 years old in 2025.

What condition is US-131 SB over 11 Mile Road 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 June 2023.

How much traffic does US-131 SB over 11 Mile Road carry?

About 7,789 vehicles per day (2007 count), of which roughly 13% are trucks.

How long is US-131 SB over 11 Mile Road?

The structure is 104 ft (31.7 m) long with a longest span of 104 ft (31.7 m) and a deck 46 ft wide.

Who owns US-131 SB over 11 Mile Road?

It is owned by the State Highway Agency.