US Bridges

County HWY 569 over Sturgeon River

Fair

Dickinson County, Michigan · 9 MI N of Waucedah · Structure no. 000000000002193

Built
1923
102 years old
Condition
Fair
inspected September 2024
Type
Girder and Floorbeam System
Concrete
Length
75 ft
1 main span
Daily traffic
327
2020 count
Owner
County
County Highway Agency

About this bridge

County HWY 569 over Sturgeon River is a concrete girder and floorbeam system carrying County HWY 569 over Sturgeon River in Dickinson County, Michigan. It was built in 1923, so it is 102 years old, older 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 6 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 327 vehicles a day, roughly 31% of them trucks, projected to reach 560 by 2040. The structure is 75 ft (22.8 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCounty HWY 569
CrossesSturgeon River
Location9 MI N of Waucedah
RouteCounty Highway 2273
CountyDickinson County
StateMichigan
Coordinates45.87717, -87.7526
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length75 ft (22.8 m)
Longest span72 ft (21.9 m)
Deck width28 ft (8.6 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic327 (2020)
Projected traffic560 by 2040
Trucks31%
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 statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$345,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County HWY 569 over Sturgeon River built?

It was built in 1923, making it 102 years old in 2025.

What condition is County HWY 569 over Sturgeon 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 2024.

How much traffic does County HWY 569 over Sturgeon River carry?

About 327 vehicles per day (2020 count), of which roughly 31% are trucks.

How long is County HWY 569 over Sturgeon River?

The structure is 75 ft (22.8 m) long with a longest span of 72 ft (21.9 m) and a deck 28 ft wide.

Who owns County HWY 569 over Sturgeon River?

It is owned by the County Highway Agency.