US Bridges

Hunt Road over Cox-Doty Drain

Good

St. Clair County, Michigan · Sec 12 Berlin Twp · Structure no. 000000000010114

Built
2011
14 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
36 ft
1 main span
Daily traffic
105
1994 count
Owner
County
County Highway Agency

About this bridge

Hunt Road over Cox-Doty Drain is a concrete culvert carrying Hunt Road over Cox-Doty Drain in St. Clair County, Michigan. It was built in 2011, so it is 14 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 105 vehicles a day, projected to reach 120 by 2014. The structure is 36 ft (11 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHunt Road
CrossesCox-Doty Drain
LocationSec 12 Berlin Twp
RouteCounty Highway 0
Coordinates42.96268, -82.87229
Functional classRural Local

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.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68.6 US tons
Inventory rating52.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length36 ft (11 m)
Longest span36 ft (11 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic105 (1994)
Projected traffic120 by 2014
Trucks0%
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 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 Hunt Road over Cox-Doty Drain built?

It was built in 2011, making it 14 years old in 2025.

What condition is Hunt Road over Cox-Doty Drain 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 November 2024.

How much traffic does Hunt Road over Cox-Doty Drain carry?

About 105 vehicles per day (1994 count).

How long is Hunt Road over Cox-Doty Drain?

The structure is 36 ft (11 m) long with a longest span of 36 ft (11 m).

Who owns Hunt Road over Cox-Doty Drain?

It is owned by the County Highway Agency.