US Bridges

No 31 Road over Mitchell Creek

Good

Wexford County, Michigan · Cherry Grove Twp Sec 9-10 · Structure no. 000000000012979

Built
2000
25 years old
Condition
Good
inspected July 2024
Type
Arch - Deck
Concrete
Length
23 ft
1 main span
Daily traffic
530
2005 count
Owner
County
County Highway Agency

About this bridge

No 31 Road over Mitchell Creek is a concrete arch - deck carrying No 31 Road over Mitchell Creek in Wexford County, Michigan. It was built in 2000, so it is 25 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 530 vehicles a day, projected to reach 950 by 2025. The structure is 23 ft (7 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNo 31 Road
CrossesMitchell Creek
LocationCherry Grove Twp Sec 9-10
RouteCounty Highway 31
CountyWexford County
StateMichigan
Coordinates44.23655, -85.51755
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
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.8 US tons
Inventory rating40 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic530 (2005)
Projected traffic950 by 2025
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 No 31 Road over Mitchell Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is No 31 Road over Mitchell 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 2024.

How much traffic does No 31 Road over Mitchell Creek carry?

About 530 vehicles per day (2005 count).

How long is No 31 Road over Mitchell Creek?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 32 ft wide.

Who owns No 31 Road over Mitchell Creek?

It is owned by the County Highway Agency.