US Bridges

37th Street over Gull Lake Outlet

Good

Kalamazoo County, Michigan · Ross Twp Sec 31 · Structure no. 000000000012887

Built
2012
13 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
1,600
2007 count
Owner
County
County Highway Agency

About this bridge

37th Street over Gull Lake Outlet is a concrete culvert carrying 37th Street over Gull Lake Outlet in Kalamazoo County, Michigan. It was built in 2012, so it is 13 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,600 vehicles a day, roughly 3% of them trucks, projected to reach 2,880 by 2027. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 5 mi (8 km).

Carries37th Street
CrossesGull Lake Outlet
LocationRoss Twp Sec 31
RouteCounty Highway 0
Coordinates42.34402, -85.40575
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
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating46.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2007)
Projected traffic2,880 by 2027
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 37th Street over Gull Lake Outlet built?

It was built in 2012, making it 13 years old in 2025.

What condition is 37th Street over Gull Lake Outlet 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 2024.

How much traffic does 37th Street over Gull Lake Outlet carry?

About 1,600 vehicles per day (2007 count), of which roughly 3% are trucks.

How long is 37th Street over Gull Lake Outlet?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m).

Who owns 37th Street over Gull Lake Outlet?

It is owned by the County Highway Agency.