US Bridges

2nd Street over Gun River

Good

Allegan County, Michigan · Approx 1/4 MI N of 112th · Structure no. 000000000000208

Built
2012
13 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
82 ft
1 main span
Daily traffic
580
2010 count
Owner
County
County Highway Agency

About this bridge

2nd Street over Gun River is a prestressed concrete box beam or girders - single or spread carrying 2nd Street over Gun River in Allegan 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 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 580 vehicles a day, roughly 7% of them trucks, projected to reach 1,045 by 2030. The structure is 82 ft (25 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries2nd Street
CrossesGun River
LocationApprox 1/4 MI N of 112th
RouteCounty Highway 393
Coordinates42.51573, -85.56281
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 protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating105.4 US tons
Inventory rating77.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length82 ft (25 m)
Longest span81 ft (24.6 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic580 (2010)
Projected traffic1,045 by 2030
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 2nd Street over Gun River built?

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

What condition is 2nd Street over Gun 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 September 2023.

How much traffic does 2nd Street over Gun River carry?

About 580 vehicles per day (2010 count), of which roughly 7% are trucks.

How long is 2nd Street over Gun River?

The structure is 82 ft (25 m) long with a longest span of 81 ft (24.6 m) and a deck 36 ft wide.

Who owns 2nd Street over Gun River?

It is owned by the County Highway Agency.