US Bridges

Coats Grove Road over Mud Creek

Good

Barry County, Michigan · 3 MI SE of Woodland · Structure no. 000000000000553

Built
2007
18 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
625
2006 count
Owner
County
County Highway Agency

About this bridge

Coats Grove Road over Mud Creek is a prestressed concrete box beam or girders - single or spread carrying Coats Grove Road over Mud Creek in Barry County, Michigan. It was built in 2007, so it is 18 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 625 vehicles a day, roughly 3% of them trucks, projected to reach 1,025 by 2026. The structure is 55 ft (16.8 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCoats Grove Road
CrossesMud Creek
Location3 MI SE of Woodland
RouteCounty Highway 866
Coordinates42.68348, -85.11283
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.1 US tons
Inventory rating51.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length55 ft (16.8 m)
Longest span51 ft (15.5 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic625 (2006)
Projected traffic1,025 by 2026
Trucks3%
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 Coats Grove Road over Mud Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Coats Grove Road over Mud Creek 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 July 2023.

How much traffic does Coats Grove Road over Mud Creek carry?

About 625 vehicles per day (2006 count), of which roughly 3% are trucks.

How long is Coats Grove Road over Mud Creek?

The structure is 55 ft (16.8 m) long with a longest span of 51 ft (15.5 m) and a deck 35 ft wide.

Who owns Coats Grove Road over Mud Creek?

It is owned by the County Highway Agency.