US Bridges

Sebewaing Road over Shebeon Drain

Fair

Huron County, Michigan · Sec 8/9 16/17 Brookfield · Structure no. 000000000003516

Built
2001
24 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
42 ft
1 main span
Daily traffic
2,630
2009 count
Owner
County
County Highway Agency

About this bridge

Sebewaing Road over Shebeon Drain is a concrete culvert carrying Sebewaing Road over Shebeon Drain in Huron County, Michigan. It was built in 2001, so it is 24 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 6 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 2,630 vehicles a day, roughly 9% of them trucks, projected to reach 4,750 by 2029. The structure is 42 ft (12.9 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesSebewaing Road
CrossesShebeon Drain
LocationSec 8/9 16/17 Brookfield
RouteCounty Highway 3218
CountyHuron County
StateMichigan
Coordinates43.72826, -83.31692
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length42 ft (12.9 m)
Longest span42 ft (12.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,630 (2009)
Projected traffic4,750 by 2029
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Sebewaing Road over Shebeon Drain built?

It was built in 2001, making it 24 years old in 2025.

What condition is Sebewaing Road over Shebeon 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 September 2023.

How much traffic does Sebewaing Road over Shebeon Drain carry?

About 2,630 vehicles per day (2009 count), of which roughly 9% are trucks.

How long is Sebewaing Road over Shebeon Drain?

The structure is 42 ft (12.9 m) long with a longest span of 42 ft (12.9 m).

Who owns Sebewaing Road over Shebeon Drain?

It is owned by the County Highway Agency.