US Bridges

Riverside Drive over Charlotte River

FairPosted for load

Chippewa County, Michigan · 9 MI SE of Sault Ste Mari · Structure no. 000000000001626

Built
1959
66 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
92 ft
2 main spans
Daily traffic
165
1986 count
Owner
County
County Highway Agency

About this bridge

Riverside Drive over Charlotte River is a prestressed concrete box beam or girders - multiple carrying Riverside Drive over Charlotte River in Chippewa County, Michigan. It was built in 1959, so it is 66 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. Its operating status is: posted for load restriction.

It carries about 165 vehicles a day, projected to reach 290 by 2019. The structure is 92 ft (28 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesRiverside Drive
CrossesCharlotte River
Location9 MI SE of Sault Ste Mari
RouteCounty Highway 1763
CountyChippewa County
StateMichigan
Coordinates46.35566, -84.28034
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating28.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadUnknown
Structure length92 ft (28 m)
Longest span46 ft (14 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic165 (1986)
Projected traffic290 by 2019
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 Riverside Drive over Charlotte River built?

It was built in 1959, making it 66 years old in 2025.

What condition is Riverside Drive over Charlotte 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 June 2023.

How much traffic does Riverside Drive over Charlotte River carry?

About 165 vehicles per day (1986 count).

How long is Riverside Drive over Charlotte River?

The structure is 92 ft (28 m) long with a longest span of 46 ft (14 m) and a deck 31 ft wide.

Who owns Riverside Drive over Charlotte River?

It is owned by the County Highway Agency.