US Bridges

Nottawa Road over North Br Chippewa River

Fair

Isabella County, Michigan · .1 M S NE Cor Sec 26 T15N · Structure no. 000000000004367

Built
1978
47 years old
Condition
Fair
inspected July 2024
Type
Slab
Wood or Timber
Length
36 ft
2 main spans
Daily traffic
128
2002 count
Owner
County
County Highway Agency

About this bridge

Nottawa Road over North Br Chippewa River is a wood or timber slab carrying Nottawa Road over North Br Chippewa River in Isabella County, Michigan. It was built in 1978, so it is 47 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 128 vehicles a day, projected to reach 156 by 2022. The structure is 36 ft (10.9 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNottawa Road
CrossesNorth Br Chippewa River
Location.1 M S NE Cor Sec 26 T15N
RouteCounty Highway 0
CountyIsabella County
StateMichigan
Coordinates43.66744, -84.86866
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.2 US tons
Inventory rating29.2 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20
Structure length36 ft (10.9 m)
Longest span17 ft (5.1 m)
Deck width29 ft (8.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic128 (2002)
Projected traffic156 by 2022
Trucks0%
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 Nottawa Road over North Br Chippewa River built?

It was built in 1978, making it 47 years old in 2025.

What condition is Nottawa Road over North Br Chippewa River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

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

About 128 vehicles per day (2002 count).

How long is Nottawa Road over North Br Chippewa River?

The structure is 36 ft (10.9 m) long with a longest span of 17 ft (5.1 m) and a deck 29 ft wide.

Who owns Nottawa Road over North Br Chippewa River?

It is owned by the County Highway Agency.