US Bridges

Skanee Road over Slate River

Fair

Baraga County, Michigan · 10 MI NE of Lanse · Structure no. 000000000000504

Built
1994
31 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
75 ft
1 main span
Daily traffic
1,036
2015 count
Owner
County
County Highway Agency

About this bridge

Skanee Road over Slate River is a prestressed concrete box beam or girders - multiple carrying Skanee Road over Slate River in Baraga County, Michigan. It was built in 1994, so it is 31 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 1,036 vehicles a day, roughly 6% of them trucks, projected to reach 1,300 by 2035. The structure is 75 ft (22.8 m) long and 41 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesSkanee Road
CrossesSlate River
Location10 MI NE of Lanse
RouteCounty Highway 776
CountyBaraga County
StateMichigan
Coordinates46.83316, -88.25862
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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating67.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length75 ft (22.8 m)
Longest span70 ft (21.3 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,036 (2015)
Projected traffic1,300 by 2035
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Skanee Road over Slate River built?

It was built in 1994, making it 31 years old in 2025.

What condition is Skanee Road over Slate 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 September 2023.

How much traffic does Skanee Road over Slate River carry?

About 1,036 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is Skanee Road over Slate River?

The structure is 75 ft (22.8 m) long with a longest span of 70 ft (21.3 m) and a deck 41 ft wide.

Who owns Skanee Road over Slate River?

It is owned by the County Highway Agency.