US Bridges

County Road No 5 over W Br Sturgeon River

Good

Dickinson County, Michigan · 9 MI E & 3 MI N Merriman · Structure no. 000000000002196

Built
2009
16 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
20
2020 count
Owner
County
County Highway Agency

About this bridge

County Road No 5 over W Br Sturgeon River is a prestressed concrete box beam or girders - multiple carrying County Road No 5 over W Br Sturgeon River in Dickinson County, Michigan. It was built in 2009, so it is 16 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20 vehicles a day, roughly 54% of them trucks, projected to reach 22 by 2040. The structure is 62 ft (18.9 m) long and 31 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesCounty Road No 5
CrossesW Br Sturgeon River
Location9 MI E & 3 MI N Merriman
RouteCounty Highway 0
Coordinates45.95698, -87.86981
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.4 US tons
Inventory rating48.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span61 ft (18.5 m)
Deck width31 ft (9.5 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2020)
Projected traffic22 by 2040
Trucks54%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 County Road No 5 over W Br Sturgeon River built?

It was built in 2009, making it 16 years old in 2025.

What condition is County Road No 5 over W Br 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 September 2024.

How much traffic does County Road No 5 over W Br Sturgeon River carry?

About 20 vehicles per day (2020 count), of which roughly 54% are trucks.

How long is County Road No 5 over W Br Sturgeon River?

The structure is 62 ft (18.9 m) long with a longest span of 61 ft (18.5 m) and a deck 31 ft wide.

Who owns County Road No 5 over W Br Sturgeon River?

It is owned by the County Highway Agency.