US Bridges

Csah 36 over Skunk River

Fair

Morrison County, Minnesota · 3.1 MI S of JCT TH 27 · Structure no. 49532

Built
1989
36 years old
Condition
Fair
inspected October 2024
Type
Slab
Wood or Timber
Length
113 ft
3 main spans
Daily traffic
353
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 36 over Skunk River is a wood or timber slab carrying Csah 36 over Skunk River in Morrison County, Minnesota. It was built in 1989, so it is 36 years old, younger 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 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 353 vehicles a day, projected to reach 395 by 2042. The structure is 113 ft (34.4 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCsah 36
CrossesSkunk River
Location3.1 MI S of JCT TH 27
RouteCounty Highway 36
CountyMorrison County
StateMinnesota
Coordinates45.92525, -94.15635
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.1 US tons
Inventory rating43.1 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length113 ft (34.4 m)
Longest span38 ft (11.5 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic353 (2022)
Projected traffic395 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 36 over Skunk River built?

It was built in 1989, making it 36 years old in 2025.

What condition is Csah 36 over Skunk 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 October 2024.

How much traffic does Csah 36 over Skunk River carry?

About 353 vehicles per day (2022 count).

How long is Csah 36 over Skunk River?

The structure is 113 ft (34.4 m) long with a longest span of 38 ft (11.5 m) and a deck 34 ft wide.

Who owns Csah 36 over Skunk River?

It is owned by the County Highway Agency.