US Bridges

Csah 3 over Snowshoe Brook

FairPosted for load

Kanabec County, Minnesota · 0.8 MI W of JCT Csah 11 · Structure no. 33516

Built
1986
39 years old
Condition
Fair
inspected November 2023
Type
Slab
Wood or Timber
Length
77 ft
3 main spans
Daily traffic
1,100
2018 count
Owner
County
County Highway Agency

About this bridge

Csah 3 over Snowshoe Brook is a wood or timber slab carrying Csah 3 over Snowshoe Brook in Kanabec County, Minnesota. It was built in 1986, so it is 39 years old, older than the Minnesota average of 38.5 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. Its operating status is: posted for load restriction.

It carries about 1,100 vehicles a day, projected to reach 1,150 by 2038. The structure is 77 ft (23.6 m) long and 38 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesCsah 3
CrossesSnowshoe Brook
Location0.8 MI W of JCT Csah 11
RouteCounty Highway 3
Coordinates46.02479, -93.23891
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.7 US tons
Inventory rating34.6 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length77 ft (23.6 m)
Longest span26 ft (7.8 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2018)
Projected traffic1,150 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 Csah 3 over Snowshoe Brook built?

It was built in 1986, making it 39 years old in 2025.

What condition is Csah 3 over Snowshoe Brook 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 November 2023.

How much traffic does Csah 3 over Snowshoe Brook carry?

About 1,100 vehicles per day (2018 count).

How long is Csah 3 over Snowshoe Brook?

The structure is 77 ft (23.6 m) long with a longest span of 26 ft (7.8 m) and a deck 38 ft wide.

Who owns Csah 3 over Snowshoe Brook?

It is owned by the County Highway Agency.