US Bridges

M-69|CO HWY 569 over E Br Sturgeon River

Fair

Dickinson County, Michigan · 2 MI E of Foster City · Structure no. 000000000002189

Built
1931
94 years old, rebuilt 1994
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
553
2007 count
Owner
State
State Highway Agency

About this bridge

M-69|CO HWY 569 over E Br Sturgeon River is a prestressed concrete stringer/multi-beam or girder carrying M-69|CO HWY 569 over E Br Sturgeon River in Dickinson County, Michigan. It was built in 1931 and reconstructed in 1994, so it is 94 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 553 vehicles a day, roughly 30% of them trucks, projected to reach 841 by 2018. The structure is 40 ft (12.2 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesM-69|CO HWY 569
CrossesE Br Sturgeon River
Location2 MI E of Foster City
RouteState Highway 69
CountyDickinson County
StateMichigan
Coordinates45.96545, -87.69797
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.9 US tons
Inventory rating38.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length40 ft (12.2 m)
Longest span38 ft (11.5 m)
Deck width38 ft (11.5 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic553 (2007)
Projected traffic841 by 2018
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 M-69|CO HWY 569 over E Br Sturgeon River built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1994.

What condition is M-69|CO HWY 569 over E Br 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 M-69|CO HWY 569 over E Br Sturgeon River carry?

About 553 vehicles per day (2007 count), of which roughly 30% are trucks.

How long is M-69|CO HWY 569 over E Br Sturgeon River?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.5 m) and a deck 38 ft wide.

Who owns M-69|CO HWY 569 over E Br Sturgeon River?

It is owned by the State Highway Agency.