US Bridges

12 Mile Road over Nash Creek

Good

Kent County, Michigan · 0.30 MI W of Fruit Ridge · Structure no. 000000000005173

Built
1955
70 years old
Condition
Good
inspected October 2023
Type
Culvert
Steel
Length
25 ft
2 main spans
Daily traffic
457
2004 count
Owner
County
County Highway Agency

About this bridge

12 Mile Road over Nash Creek is a steel culvert carrying 12 Mile Road over Nash Creek in Kent County, Michigan. It was built in 1955, so it is 70 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 457 vehicles a day, projected to reach 780 by 2024. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries12 Mile Road
CrossesNash Creek
Location0.30 MI W of Fruit Ridge
RouteCounty Highway 0
CountyKent County
StateMichigan
Coordinates43.14704, -85.77584
Functional classRural Minor 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating43.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length25 ft (7.6 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic457 (2004)
Projected traffic780 by 2024
Trucks0%
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 12 Mile Road over Nash Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is 12 Mile Road over Nash Creek 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 12 Mile Road over Nash Creek carry?

About 457 vehicles per day (2004 count).

How long is 12 Mile Road over Nash Creek?

The structure is 25 ft (7.6 m) long with a longest span of 13 ft (3.9 m).

Who owns 12 Mile Road over Nash Creek?

It is owned by the County Highway Agency.