US Bridges

Duce Road over Whackenbush Drain

Fair

St. Clair County, Michigan · Sec. 22-23 Kenockee Twp · Structure no. 000000000010204

Built
1985
40 years old
Condition
Fair
inspected March 2023
Type
Culvert
Steel
Length
29 ft
2 main spans
Daily traffic
92
1994 count
Owner
County
County Highway Agency

About this bridge

Duce Road over Whackenbush Drain is a steel culvert carrying Duce Road over Whackenbush Drain in St. Clair County, Michigan. It was built in 1985, so it is 40 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 5 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 92 vehicles a day, projected to reach 122 by 2014. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesDuce Road
CrossesWhackenbush Drain
LocationSec. 22-23 Kenockee Twp
RouteCounty Highway 0
CountySt. Clair County
StateMichigan
Coordinates43.02343, -82.67312
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45.3 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length29 ft (8.8 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 traffic92 (1994)
Projected traffic122 by 2014
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$10,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Duce Road over Whackenbush Drain built?

It was built in 1985, making it 40 years old in 2025.

What condition is Duce Road over Whackenbush 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 March 2023.

How much traffic does Duce Road over Whackenbush Drain carry?

About 92 vehicles per day (1994 count).

How long is Duce Road over Whackenbush Drain?

The structure is 29 ft (8.8 m) long with a longest span of 13 ft (3.9 m).

Who owns Duce Road over Whackenbush Drain?

It is owned by the County Highway Agency.