US Bridges

Deerfield Road over Potter Creek

Good

Isabella County, Michigan · NW Cor Sec 33 Chippewa · Structure no. 000000000004319

Built
1993
32 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
1,930
2002 count
Owner
County
County Highway Agency

About this bridge

Deerfield Road over Potter Creek is a concrete culvert carrying Deerfield Road over Potter Creek in Isabella County, Michigan. It was built in 1993, so it is 32 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 1,930 vehicles a day, roughly 5% of them trucks, projected to reach 2,350 by 2022. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesDeerfield Road
CrossesPotter Creek
LocationNW Cor Sec 33 Chippewa
RouteCounty Highway 0
Coordinates43.56812, -84.68668
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,930 (2002)
Projected traffic2,350 by 2022
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Deerfield Road over Potter Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is Deerfield Road over Potter 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 May 2024.

How much traffic does Deerfield Road over Potter Creek carry?

About 1,930 vehicles per day (2002 count), of which roughly 5% are trucks.

How long is Deerfield Road over Potter Creek?

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

Who owns Deerfield Road over Potter Creek?

It is owned by the County Highway Agency.