US Bridges

30th Street over Little Rabbit River

Good

Allegan County, Michigan · Approx 0.10 MI S of 142nd · Structure no. 000000000000201

Built
1947
78 years old, rebuilt 2012
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
5,818
2012 count
Owner
County
County Highway Agency

About this bridge

30th Street over Little Rabbit River is a steel stringer/multi-beam or girder carrying 30th Street over Little Rabbit River in Allegan County, Michigan. It was built in 1947 and reconstructed in 2012, so it is 78 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,818 vehicles a day, roughly 8% of them trucks, projected to reach 7,099 by 2032. The structure is 60 ft (18.3 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries30th Street
CrossesLittle Rabbit River
LocationApprox 0.10 MI S of 142nd
RouteCounty Highway 353
Coordinates42.72251, -85.84038
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating107.1 US tons
Inventory rating92.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length60 ft (18.3 m)
Longest span58 ft (17.6 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,818 (2012)
Projected traffic7,099 by 2032
Trucks8%
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 30th Street over Little Rabbit River built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 2012.

What condition is 30th Street over Little Rabbit River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does 30th Street over Little Rabbit River carry?

About 5,818 vehicles per day (2012 count), of which roughly 8% are trucks.

How long is 30th Street over Little Rabbit River?

The structure is 60 ft (18.3 m) long with a longest span of 58 ft (17.6 m) and a deck 42 ft wide.

Who owns 30th Street over Little Rabbit River?

It is owned by the County Highway Agency.