US Bridges

114th Avenue over Gun River Drain

Fair

Allegan County, Michigan · Martin Twp Sec 26-35 · Structure no. 000000000000276

Built
1995
30 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
26
2002 count
Owner
County
County Highway Agency

About this bridge

114th Avenue over Gun River Drain is a concrete culvert carrying 114th Avenue over Gun River Drain in Allegan County, Michigan. It was built in 1995, so it is 30 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 26 vehicles a day, roughly 7% of them trucks, projected to reach 128 by 2022. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Carries114th Avenue
CrossesGun River Drain
LocationMartin Twp Sec 26-35
RouteCounty Highway 0
Coordinates42.52343, -85.56297
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.8 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2002)
Projected traffic128 by 2022
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 114th Avenue over Gun River Drain built?

It was built in 1995, making it 30 years old in 2025.

What condition is 114th Avenue over Gun River Drain 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 April 2023.

How much traffic does 114th Avenue over Gun River Drain carry?

About 26 vehicles per day (2002 count), of which roughly 7% are trucks.

How long is 114th Avenue over Gun River Drain?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m).

Who owns 114th Avenue over Gun River Drain?

It is owned by the County Highway Agency.