US Bridges

22nd Street over Schnable Brook

Fair

Allegan County, Michigan · Otsego Twp Sec 5-6 · Structure no. 000000000000281

Built
2003
22 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
130
2020 count
Owner
County
County Highway Agency

About this bridge

22nd Street over Schnable Brook is a prestressed concrete box beam or girders - multiple carrying 22nd Street over Schnable Brook in Allegan County, Michigan. It was built in 2003, so it is 22 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 130 vehicles a day, roughly 7% of them trucks, projected to reach 193 by 2040. The structure is 65 ft (19.8 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries22nd Street
CrossesSchnable Brook
LocationOtsego Twp Sec 5-6
RouteCounty Highway 0
CountyAllegan County
StateMichigan
Coordinates42.49894, -85.76001
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.9 US tons
Inventory rating43.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span61 ft (18.6 m)
Deck width31 ft (9.4 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2020)
Projected traffic193 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 22nd Street over Schnable Brook built?

It was built in 2003, making it 22 years old in 2025.

What condition is 22nd Street over Schnable Brook 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 April 2023.

How much traffic does 22nd Street over Schnable Brook carry?

About 130 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is 22nd Street over Schnable Brook?

The structure is 65 ft (19.8 m) long with a longest span of 61 ft (18.6 m) and a deck 31 ft wide.

Who owns 22nd Street over Schnable Brook?

It is owned by the County Highway Agency.