US Bridges

Spruce St. over Power Canal

Fair

Chippewa County, Michigan · In Sault Ste Marie · Structure no. 000000000001675

Built
1983
42 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
285 ft
1 main span
Daily traffic
5,995
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Spruce St. over Power Canal is a steel stringer/multi-beam or girder carrying Spruce St. over Power Canal in Chippewa County, Michigan. It was built in 1983, so it is 42 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 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 5,995 vehicles a day, roughly 4% of them trucks, projected to reach 10,828 by 2035. The structure is 285 ft (86.8 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSpruce St.
CrossesPower Canal
LocationIn Sault Ste Marie
RouteCity Street 2019
Coordinates46.49394, -84.33635
Functional classUrban 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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating74.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length285 ft (86.8 m)
Longest span278 ft (84.7 m)
Deck width42 ft (12.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,995 (2015)
Projected traffic10,828 by 2035
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Spruce St. over Power Canal built?

It was built in 1983, making it 42 years old in 2025.

What condition is Spruce St. over Power Canal 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 Spruce St. over Power Canal carry?

About 5,995 vehicles per day (2015 count), of which roughly 4% are trucks.

How long is Spruce St. over Power Canal?

The structure is 285 ft (86.8 m) long with a longest span of 278 ft (84.7 m) and a deck 42 ft wide.

Who owns Spruce St. over Power Canal?

It is owned by the City or Municipal Highway Agency.