US Bridges

38th Street over Rabbit River

Fair

Allegan County, Michigan · Approx 1/2 MI N of 136th · Structure no. 000000000000197

Built
1970
55 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
117 ft
2 main spans
Daily traffic
910
2010 count
Owner
County
County Highway Agency

About this bridge

38th Street over Rabbit River is a steel stringer/multi-beam or girder carrying 38th Street over Rabbit River in Allegan County, Michigan. It was built in 1970, so it is 55 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 910 vehicles a day, roughly 7% of them trucks, projected to reach 1,644 by 2030. The structure is 117 ft (35.8 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries38th Street
CrossesRabbit River
LocationApprox 1/2 MI N of 136th
RouteCounty Highway 347
Coordinates42.688, -85.91792
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
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 inspectionOctober 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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating82.8 US tons
Inventory rating49.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length117 ft (35.8 m)
Longest span59 ft (17.9 m)
Deck width33 ft (10.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic910 (2010)
Projected traffic1,644 by 2030
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 38th Street over Rabbit River built?

It was built in 1970, making it 55 years old in 2025.

What condition is 38th Street 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 38th Street over Rabbit River carry?

About 910 vehicles per day (2010 count), of which roughly 7% are trucks.

How long is 38th Street over Rabbit River?

The structure is 117 ft (35.8 m) long with a longest span of 59 ft (17.9 m) and a deck 33 ft wide.

Who owns 38th Street over Rabbit River?

It is owned by the County Highway Agency.