US Bridges

Rideout Road over E Br Sturgeon River

PoorPosted for load

Dickinson County, Michigan · 1 MI W of Hardwood · Structure no. 000000000002206

Built
1945
80 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
135
2020 count
Owner
County
County Highway Agency

About this bridge

Rideout Road over E Br Sturgeon River is a steel stringer/multi-beam or girder carrying Rideout Road over E Br Sturgeon River in Dickinson County, Michigan. It was built in 1945, so it is 80 years old, older 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. Its operating status is: posted for load restriction.

It carries about 135 vehicles a day, roughly 20% of them trucks, projected to reach 146 by 2040. The structure is 36 ft (10.9 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesRideout Road
CrossesE Br Sturgeon River
Location1 MI W of Hardwood
RouteCounty Highway 0
Coordinates45.96238, -87.72504
Functional classRural Local

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.6 US tons
Inventory rating32.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length36 ft (10.9 m)
Longest span35 ft (10.6 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic135 (2020)
Projected traffic146 by 2040
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Rideout Road over E Br Sturgeon River built?

It was built in 1945, making it 80 years old in 2025.

What condition is Rideout Road over E Br Sturgeon 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 Rideout Road over E Br Sturgeon River carry?

About 135 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is Rideout Road over E Br Sturgeon River?

The structure is 36 ft (10.9 m) long with a longest span of 35 ft (10.6 m) and a deck 28 ft wide.

Who owns Rideout Road over E Br Sturgeon River?

It is owned by the County Highway Agency.