US Bridges

135th Ave over Rabbit River

Fair

Allegan County, Michigan · Approx 1/8 MI NW of 14th · Structure no. 000000000000182

Built
1974
51 years old
Condition
Fair
inspected October 2023
Type
Culvert
Steel
Length
50 ft
2 main spans
Daily traffic
3,555
2003 count
Owner
County
County Highway Agency

About this bridge

135th Ave over Rabbit River is a steel culvert carrying 135th Ave over Rabbit River in Allegan County, Michigan. It was built in 1974, so it is 51 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 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 3,555 vehicles a day, roughly 7% of them trucks, projected to reach 7,110 by 2023. The structure is 50 ft (15.2 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Carries135th Ave
CrossesRabbit River
LocationApprox 1/8 MI NW of 14th
RouteCounty Highway 366
Coordinates42.674, -85.6839
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating82.5 US tons
Inventory rating49.6 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length50 ft (15.2 m)
Longest span17 ft (5.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,555 (2003)
Projected traffic7,110 by 2023
Trucks7%
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 135th Ave over Rabbit River built?

It was built in 1974, making it 51 years old in 2025.

What condition is 135th 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 October 2023.

How much traffic does 135th Ave over Rabbit River carry?

About 3,555 vehicles per day (2003 count), of which roughly 7% are trucks.

How long is 135th Ave over Rabbit River?

The structure is 50 ft (15.2 m) long with a longest span of 17 ft (5.3 m).

Who owns 135th Ave over Rabbit River?

It is owned by the County Highway Agency.