US Bridges

Witherspoon Road over Taft Drain

Good

Huron County, Michigan · Sec 17-20 Hume Twp · Structure no. 000000000003605

Built
1981
44 years old
Condition
Good
inspected August 2023
Type
Culvert
Steel
Length
22 ft
1 main span
Daily traffic
12
2009 count
Owner
County
County Highway Agency

About this bridge

Witherspoon Road over Taft Drain is a steel culvert carrying Witherspoon Road over Taft Drain in Huron County, Michigan. It was built in 1981, so it is 44 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 12 vehicles a day, projected to reach 22 by 2029. The structure is 22 ft (6.6 m) long. If it were closed, the detour would be 124.9 mi (201 km).

CarriesWitherspoon Road
CrossesTaft Drain
LocationSec 17-20 Hume Twp
RouteCounty Highway 0
Coordinates43.97959, -83.0898
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating35.7 US tons
Inventory rating25.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadH 20
Structure length22 ft (6.6 m)
Longest span22 ft (6.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12 (2009)
Projected traffic22 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed124.9 mi (201 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 Witherspoon Road over Taft Drain built?

It was built in 1981, making it 44 years old in 2025.

What condition is Witherspoon Road over Taft 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 August 2023.

How much traffic does Witherspoon Road over Taft Drain carry?

About 12 vehicles per day (2009 count).

How long is Witherspoon Road over Taft Drain?

The structure is 22 ft (6.6 m) long with a longest span of 22 ft (6.6 m).

Who owns Witherspoon Road over Taft Drain?

It is owned by the County Highway Agency.