US Bridges

Weidman Road over Mckay Drain

Good

Isabella County, Michigan · 0.3 MI W of Loomis RD · Structure no. 000000000013863

Built
2015
10 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
196
2002 count
Owner
County
County Highway Agency

About this bridge

Weidman Road over Mckay Drain is a concrete culvert carrying Weidman Road over Mckay Drain in Isabella County, Michigan. It was built in 2015, so it is 10 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 196 vehicles a day, projected to reach 240 by 2022. The structure is 24 ft (7.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesWeidman Road
CrossesMckay Drain
Location0.3 MI W of Loomis RD
RouteCounty Highway 0
Coordinates43.68433, -84.67303
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 inspectionMay 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 alignment6: Equal to present minimum criteria
Operating rating40.3 US tons
Inventory rating31.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length24 ft (7.4 m)
Longest span22 ft (6.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic196 (2002)
Projected traffic240 by 2022
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 Weidman Road over Mckay Drain built?

It was built in 2015, making it 10 years old in 2025.

What condition is Weidman Road over Mckay 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 May 2023.

How much traffic does Weidman Road over Mckay Drain carry?

About 196 vehicles per day (2002 count).

How long is Weidman Road over Mckay Drain?

The structure is 24 ft (7.4 m) long with a longest span of 22 ft (6.7 m).

Who owns Weidman Road over Mckay Drain?

It is owned by the County Highway Agency.