US Bridges

Haist Road over Pigeon River

Fair

Huron County, Michigan · Sec. 24-25 Winsor Twp · Structure no. 000000000003675

Built
1987
38 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
96 ft
4 main spans
Daily traffic
194
2022 count
Owner
County
County Highway Agency

About this bridge

Haist Road over Pigeon River is a prestressed concrete tee beam carrying Haist Road over Pigeon River in Huron County, Michigan. It was built in 1987, so it is 38 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 5 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 194 vehicles a day, roughly 5% of them trucks, projected to reach 288 by 2042. The structure is 96 ft (29.2 m) long and 32 ft wide.

Location

Open in Google Maps
CarriesHaist Road
CrossesPigeon River
LocationSec. 24-25 Winsor Twp
RouteCounty Highway 0
CountyHuron County
StateMichigan
Coordinates43.78733, -83.24448
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 13 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.8 US tons
Inventory rating36.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length96 ft (29.2 m)
Longest span23 ft (7 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic194 (2022)
Projected traffic288 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Haist Road over Pigeon River built?

It was built in 1987, making it 38 years old in 2025.

What condition is Haist Road over Pigeon River 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 August 2024.

How much traffic does Haist Road over Pigeon River carry?

About 194 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Haist Road over Pigeon River?

The structure is 96 ft (29.2 m) long with a longest span of 23 ft (7 m) and a deck 32 ft wide.

Who owns Haist Road over Pigeon River?

It is owned by the County Highway Agency.