US Bridges

22 Mile RD over N Br Chippewa River

FairPosted for load

Mecosta County, Michigan · 1.0 MI E of M-66 · Structure no. 000000000006774

Built
1900
125 years old, rebuilt 1984
Condition
Fair
inspected August 2023
Type
Slab
Wood or Timber
Length
30 ft
1 main span
Daily traffic
67
2019 count
Owner
County
County Highway Agency

About this bridge

22 Mile RD over N Br Chippewa River is a wood or timber slab carrying 22 Mile RD over N Br Chippewa River in Mecosta County, Michigan. It was built in 1900 and reconstructed in 1984, so it is 125 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 67 vehicles a day, roughly 6% of them trucks, projected to reach 78 by 2039. The structure is 30 ft (9.1 m) long and 20 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries22 Mile RD
CrossesN Br Chippewa River
Location1.0 MI E of M-66
RouteCounty Highway 0
CountyMecosta County
StateMichigan
Coordinates43.78461, -85.12671
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.1 US tons
Inventory rating28.5 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width20 ft (6 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic67 (2019)
Projected traffic78 by 2039
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 22 Mile RD over N Br Chippewa River built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1984.

What condition is 22 Mile RD over N 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 August 2023.

How much traffic does 22 Mile RD over N Br Chippewa River carry?

About 67 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is 22 Mile RD over N Br Chippewa River?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 20 ft wide.

Who owns 22 Mile RD over N Br Chippewa River?

It is owned by the County Highway Agency.