US Bridges

Caseville Road over Pigeon River

Good

Huron County, Michigan · Sec. 26-27 Mckinley Twp. · Structure no. 000000000003540

Built
2023
2 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
94 ft
1 main span
Daily traffic
2,720
2021 count
Owner
County
County Highway Agency

About this bridge

Caseville Road over Pigeon River is a prestressed concrete box beam or girders - single or spread carrying Caseville Road over Pigeon River in Huron County, Michigan. It was built in 2023, so it is 2 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,720 vehicles a day, roughly 10% of them trucks, projected to reach 3,005 by 2041. The structure is 94 ft (28.7 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCaseville Road
CrossesPigeon River
LocationSec. 26-27 Mckinley Twp.
RouteCounty Highway 3223
Coordinates43.86545, -83.28043
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating67.9 US tons
Inventory rating51 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length94 ft (28.7 m)
Longest span93 ft (28.3 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,720 (2021)
Projected traffic3,005 by 2041
Trucks10%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.9 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Caseville Road over Pigeon River built?

It was built in 2023, making it 2 years old in 2025.

What condition is Caseville Road over Pigeon River 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 November 2023.

How much traffic does Caseville Road over Pigeon River carry?

About 2,720 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Caseville Road over Pigeon River?

The structure is 94 ft (28.7 m) long with a longest span of 93 ft (28.3 m) and a deck 43 ft wide.

Who owns Caseville Road over Pigeon River?

It is owned by the County Highway Agency.