US Bridges

Csah 33 over Crow Wing River

Fair

Cass County, Minnesota · 0.2 MI W of JCT Csah 32 · Structure no. 11510

Built
1977
48 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
285 ft
4 main spans
Daily traffic
1,150
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 33 over Crow Wing River is a prestressed concrete stringer/multi-beam or girder carrying Csah 33 over Crow Wing River in Cass County, Minnesota. It was built in 1977, so it is 48 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 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 1,150 vehicles a day, projected to reach 1,100 by 2039. The structure is 285 ft (87 m) long and 40 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesCsah 33
CrossesCrow Wing River
Location0.2 MI W of JCT Csah 32
RouteCounty Highway 33
Coordinates46.36861, -94.73129
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating27.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length285 ft (87 m)
Longest span70 ft (21.4 m)
Deck width40 ft (12.1 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,150 (2019)
Projected traffic1,100 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 33 over Crow Wing River built?

It was built in 1977, making it 48 years old in 2025.

What condition is Csah 33 over Crow Wing 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 2024.

How much traffic does Csah 33 over Crow Wing River carry?

About 1,150 vehicles per day (2019 count).

How long is Csah 33 over Crow Wing River?

The structure is 285 ft (87 m) long with a longest span of 70 ft (21.4 m) and a deck 40 ft wide.

Who owns Csah 33 over Crow Wing River?

It is owned by the County Highway Agency.