US Bridges

136th Ave over Rabbit River

Fair

Allegan County, Michigan · Approx 0.15 MI W of 12th · Structure no. 000000000000230

Built
1971
54 years old
Condition
Fair
inspected April 2023
Type
Slab
Wood or Timber
Length
40 ft
2 main spans
Daily traffic
112
2002 count
Owner
County
County Highway Agency

About this bridge

136th Ave over Rabbit River is a wood or timber slab carrying 136th Ave over Rabbit River in Allegan County, Michigan. It was built in 1971, so it is 54 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.

It carries about 112 vehicles a day, roughly 7% of them trucks, projected to reach 224 by 2022. The structure is 40 ft (12.2 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries136th Ave
CrossesRabbit River
LocationApprox 0.15 MI W of 12th
RouteCounty Highway 0
CountyAllegan County
StateMichigan
Coordinates42.68115, -85.6645
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.3 US tons
Inventory rating42.5 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20 + Mod
Structure length40 ft (12.2 m)
Longest span20 ft (6.1 m)
Deck width29 ft (8.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic112 (2002)
Projected traffic224 by 2022
Trucks7%
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 136th Ave over Rabbit River built?

It was built in 1971, making it 54 years old in 2025.

What condition is 136th Ave over Rabbit 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 April 2023.

How much traffic does 136th Ave over Rabbit River carry?

About 112 vehicles per day (2002 count), of which roughly 7% are trucks.

How long is 136th Ave over Rabbit River?

The structure is 40 ft (12.2 m) long with a longest span of 20 ft (6.1 m) and a deck 29 ft wide.

Who owns 136th Ave over Rabbit River?

It is owned by the County Highway Agency.