US Bridges

Riskey Road over Shebeon Drain

Good

Huron County, Michigan · Sec 5-6 Brookfield Twp · Structure no. 000000000003575

Built
1996
29 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
50
2009 count
Owner
County
County Highway Agency

About this bridge

Riskey Road over Shebeon Drain is a prestressed concrete box beam or girders - multiple carrying Riskey Road over Shebeon Drain in Huron County, Michigan. It was built in 1996, so it is 29 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 50 vehicles a day, roughly 1% of them trucks, projected to reach 90 by 2029. The structure is 70 ft (21.3 m) long and 34 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesRiskey Road
CrossesShebeon Drain
LocationSec 5-6 Brookfield Twp
RouteCounty Highway 0
Coordinates43.74621, -83.33704
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating79.8 US tons
Inventory rating47.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length70 ft (21.3 m)
Longest span69 ft (20.9 m)
Deck width34 ft (10.5 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2009)
Projected traffic90 by 2029
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Riskey Road over Shebeon Drain built?

It was built in 1996, making it 29 years old in 2025.

What condition is Riskey Road over Shebeon 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 October 2023.

How much traffic does Riskey Road over Shebeon Drain carry?

About 50 vehicles per day (2009 count), of which roughly 1% are trucks.

How long is Riskey Road over Shebeon Drain?

The structure is 70 ft (21.3 m) long with a longest span of 69 ft (20.9 m) and a deck 34 ft wide.

Who owns Riskey Road over Shebeon Drain?

It is owned by the County Highway Agency.