US Bridges

Caseville Road over Pigeon River

Poor

Huron County, Michigan · Sec. 14-15 Winsor Twp. · Structure no. 000000000003539

Built
1995
30 years old
Condition
Poor
inspected September 2024
Type
Tee Beam
Prestressed Concrete
Length
105 ft
3 main spans
Daily traffic
2,035
2009 count
Owner
County
County Highway Agency

About this bridge

Caseville Road over Pigeon River is a prestressed concrete tee beam carrying Caseville Road over Pigeon River in Huron County, Michigan. It was built in 1995, so it is 30 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,035 vehicles a day, roughly 3% of them trucks, projected to reach 3,675 by 2029. The structure is 105 ft (32.1 m) long and 40 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCaseville Road
CrossesPigeon River
LocationSec. 14-15 Winsor Twp.
RouteCounty Highway 3223
CountyHuron County
StateMichigan
Coordinates43.81413, -83.27911
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45.3 US tons
Inventory rating35.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length105 ft (32.1 m)
Longest span35 ft (10.7 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,035 (2009)
Projected traffic3,675 by 2029
Trucks3%
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 Caseville Road over Pigeon River built?

It was built in 1995, making it 30 years old in 2025.

What condition is Caseville Road over Pigeon River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does Caseville Road over Pigeon River carry?

About 2,035 vehicles per day (2009 count), of which roughly 3% are trucks.

How long is Caseville Road over Pigeon River?

The structure is 105 ft (32.1 m) long with a longest span of 35 ft (10.7 m) and a deck 40 ft wide.

Who owns Caseville Road over Pigeon River?

It is owned by the County Highway Agency.