US Bridges

Crown Road over Pigeon River

Fair

Huron County, Michigan · Sec 23-26 Mckinley Twp · Structure no. 000000000003623

Built
1987
38 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Prestressed Concrete
Length
117 ft
4 main spans
Daily traffic
125
2009 count
Owner
County
County Highway Agency

About this bridge

Crown Road over Pigeon River is a prestressed concrete tee beam carrying Crown 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 125 vehicles a day, roughly 3% of them trucks, projected to reach 225 by 2029. The structure is 117 ft (35.8 m) long and 32 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesCrown Road
CrossesPigeon River
LocationSec 23-26 Mckinley Twp
RouteCounty Highway 0
CountyHuron County
StateMichigan
Coordinates43.87323, -83.27757
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 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 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 rating45.7 US tons
Inventory rating35.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length117 ft (35.8 m)
Longest span28 ft (8.5 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2009)
Projected traffic225 by 2029
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Crown Road over Pigeon River built?

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

What condition is Crown 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 September 2023.

How much traffic does Crown Road over Pigeon River carry?

About 125 vehicles per day (2009 count), of which roughly 3% are trucks.

How long is Crown Road over Pigeon River?

The structure is 117 ft (35.8 m) long with a longest span of 28 ft (8.5 m) and a deck 32 ft wide.

Who owns Crown Road over Pigeon River?

It is owned by the County Highway Agency.