US Bridges

116th Ave over Gun River

Fair

Allegan County, Michigan · Just W of 2nd ST · Structure no. 000000000000178

Built
2009
16 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
43 ft
1 main span
Daily traffic
1,582
2007 count
Owner
County
County Highway Agency

About this bridge

116th Ave over Gun River is a concrete culvert carrying 116th Ave over Gun River in Allegan County, Michigan. It was built in 2009, so it is 16 years old, younger 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 1,582 vehicles a day, roughly 5% of them trucks, projected to reach 2,857 by 2027. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries116th Ave
CrossesGun River
LocationJust W of 2nd ST
RouteCounty Highway 332
CountyAllegan County
StateMichigan
Coordinates42.53789, -85.56299
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating77.8 US tons
Inventory rating60 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length43 ft (13.1 m)
Longest span38 ft (11.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,582 (2007)
Projected traffic2,857 by 2027
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 116th Ave over Gun River built?

It was built in 2009, making it 16 years old in 2025.

What condition is 116th Ave over Gun 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 September 2023.

How much traffic does 116th Ave over Gun River carry?

About 1,582 vehicles per day (2007 count), of which roughly 5% are trucks.

How long is 116th Ave over Gun River?

The structure is 43 ft (13.1 m) long with a longest span of 38 ft (11.6 m).

Who owns 116th Ave over Gun River?

It is owned by the County Highway Agency.