US Bridges

Shire Road over W Br Sturgeon River

Good

Cheboygan County, Michigan · SEC.12 T33N R3W · Structure no. 000000000001558

Built
2005
20 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
144
2005 count
Owner
County
County Highway Agency

About this bridge

Shire Road over W Br Sturgeon River is a prestressed concrete box beam or girders - multiple carrying Shire Road over W Br Sturgeon River in Cheboygan County, Michigan. It was built in 2005, so it is 20 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 144 vehicles a day, projected to reach 260 by 2025. The structure is 40 ft (12.2 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesShire Road
CrossesW Br Sturgeon River
LocationSEC.12 T33N R3W
RouteCounty Highway 0
Coordinates45.26048, -84.6208
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating58.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length40 ft (12.2 m)
Longest span36 ft (11 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic144 (2005)
Projected traffic260 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Shire Road over W Br Sturgeon River built?

It was built in 2005, making it 20 years old in 2025.

What condition is Shire Road 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 July 2023.

How much traffic does Shire Road over W Br Sturgeon River carry?

About 144 vehicles per day (2005 count).

How long is Shire Road over W Br Sturgeon River?

The structure is 40 ft (12.2 m) long with a longest span of 36 ft (11 m) and a deck 33 ft wide.

Who owns Shire Road over W Br Sturgeon River?

It is owned by the County Highway Agency.