US Bridges

County HWY 569 over Sturgeon River

Good

Dickinson County, Michigan · 4 MI S of Foster City · Structure no. 000000000002201

Built
2024
1 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete
Length
97 ft
2 main spans
Daily traffic
317
2023 count
Owner
County
County Highway Agency

About this bridge

County HWY 569 over Sturgeon River is a concrete culvert carrying County HWY 569 over Sturgeon River in Dickinson County, Michigan. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 317 vehicles a day, roughly 26% of them trucks, projected to reach 572 by 2043. The structure is 97 ft (29.6 m) long. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesCounty HWY 569
CrossesSturgeon River
Location4 MI S of Foster City
RouteCounty Highway 0
CountyDickinson County
StateMichigan
Coordinates45.90961, -87.75699
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection9 ExcellentNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.2 US tons
Inventory rating65.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadGreater than HL 93
Structure length97 ft (29.6 m)
Longest span47 ft (14.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic317 (2023)
Projected traffic572 by 2043
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$619,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County HWY 569 over Sturgeon River built?

It was built in 2024, making it 1 years old in 2025.

What condition is County HWY 569 over Sturgeon 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 January 2025.

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

About 317 vehicles per day (2023 count), of which roughly 26% are trucks.

How long is County HWY 569 over Sturgeon River?

The structure is 97 ft (29.6 m) long with a longest span of 47 ft (14.3 m).

Who owns County HWY 569 over Sturgeon River?

It is owned by the County Highway Agency.