US Bridges

Mission Road over North Br Chippewa River

Good

Isabella County, Michigan · 0.1 M S NE Cor Sec 10 T14 · Structure no. 000000000004310

Built
2008
17 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
136 ft
1 main span
Daily traffic
9,019
2008 count
Owner
County
County Highway Agency

About this bridge

Mission Road over North Br Chippewa River is a prestressed concrete box beam or girders - multiple carrying Mission Road over North Br Chippewa 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 9,019 vehicles a day, roughly 5% of them trucks, projected to reach 13,402 by 2028. The structure is 136 ft (41.5 m) long and 45 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMission Road
CrossesNorth Br Chippewa River
Location0.1 M S NE Cor Sec 10 T14
RouteCounty Highway 2024
Coordinates43.62494, -84.76792
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating95.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length136 ft (41.5 m)
Longest span135 ft (41.1 m)
Deck width45 ft (13.8 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,019 (2008)
Projected traffic13,402 by 2028
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 Mission Road over North Br Chippewa River built?

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

What condition is Mission Road over North Br Chippewa 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 June 2024.

How much traffic does Mission Road over North Br Chippewa River carry?

About 9,019 vehicles per day (2008 count), of which roughly 5% are trucks.

How long is Mission Road over North Br Chippewa River?

The structure is 136 ft (41.5 m) long with a longest span of 135 ft (41.1 m) and a deck 45 ft wide.

Who owns Mission Road over North Br Chippewa River?

It is owned by the County Highway Agency.