US Bridges

Chippewa Road over Little Salt River

Good

Isabella County, Michigan · Sec 1-2 Coe Twp · Structure no. 000000000004334

Built
2008
17 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
72
2008 count
Owner
County
County Highway Agency

About this bridge

Chippewa Road over Little Salt River is a prestressed concrete box beam or girders - multiple carrying Chippewa Road over Little Salt River in Isabella County, Michigan. It was built in 2008, so it is 17 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 72 vehicles a day, projected to reach 261 by 2025. The structure is 80 ft (24.4 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesChippewa Road
CrossesLittle Salt River
LocationSec 1-2 Coe Twp
RouteCounty Highway 0
Coordinates43.54151, -84.62767
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
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
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.6 US tons
Inventory rating59.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length80 ft (24.4 m)
Longest span76 ft (23.2 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72 (2008)
Projected traffic261 by 2025
Trucks0%
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 Chippewa Road over Little Salt River built?

It was built in 2008, making it 17 years old in 2025.

What condition is Chippewa Road over Little Salt River 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 Chippewa Road over Little Salt River carry?

About 72 vehicles per day (2008 count).

How long is Chippewa Road over Little Salt River?

The structure is 80 ft (24.4 m) long with a longest span of 76 ft (23.2 m) and a deck 34 ft wide.

Who owns Chippewa Road over Little Salt River?

It is owned by the County Highway Agency.