US Bridges

White RD (s.End) over Sturgeon River

Fair

Cheboygan County, Michigan · SEC.13 T34N R3W · Structure no. 000000000001547

Built
1992
33 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
133 ft
3 main spans
Daily traffic
270
2022 count
Owner
County
County Highway Agency

About this bridge

White RD (s.End) over Sturgeon River is a prestressed concrete box beam or girders - multiple carrying White RD (s.End) over Sturgeon River in Cheboygan County, Michigan. It was built in 1992, so it is 33 years old, younger 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 5 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 270 vehicles a day, roughly 5% of them trucks, projected to reach 300 by 2042. The structure is 133 ft (40.5 m) long and 33 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesWhite RD (s.End)
CrossesSturgeon River
LocationSEC.13 T34N R3W
RouteCounty Highway 0
Coordinates45.33863, -84.62737
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating51.8 US tons
Inventory rating30.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length133 ft (40.5 m)
Longest span48 ft (14.6 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2022)
Projected traffic300 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 White RD (s.End) over Sturgeon River built?

It was built in 1992, making it 33 years old in 2025.

What condition is White RD (s.End) 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 July 2023.

How much traffic does White RD (s.End) over Sturgeon River carry?

About 270 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is White RD (s.End) over Sturgeon River?

The structure is 133 ft (40.5 m) long with a longest span of 48 ft (14.6 m) and a deck 33 ft wide.

Who owns White RD (s.End) over Sturgeon River?

It is owned by the County Highway Agency.