US Bridges

Csah 9 over Crow Wing River

Fair

Wadena County, Minnesota · 0.1 MI W of JCT Csah 7 · Structure no. 80505

Built
1969
56 years old
Condition
Fair
inspected October 2023
Type
Slab
Prestressed Concrete
Length
180 ft
4 main spans
Daily traffic
312
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 9 over Crow Wing River is a prestressed concrete slab carrying Csah 9 over Crow Wing River in Wadena County, Minnesota. It was built in 1969, so it is 56 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.

It carries about 312 vehicles a day, projected to reach 235 by 2041. The structure is 180 ft (55 m) long and 31 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesCsah 9
CrossesCrow Wing River
Location0.1 MI W of JCT Csah 7
RouteCounty Highway 9
CountyWadena County
StateMinnesota
Coordinates46.57387, -94.80117
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating20.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadH 20
Structure length180 ft (55 m)
Longest span45 ft (13.7 m)
Deck width31 ft (9.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic312 (2021)
Projected traffic235 by 2041
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 9 over Crow Wing River built?

It was built in 1969, making it 56 years old in 2025.

What condition is Csah 9 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 October 2023.

How much traffic does Csah 9 over Crow Wing River carry?

About 312 vehicles per day (2021 count).

How long is Csah 9 over Crow Wing River?

The structure is 180 ft (55 m) long with a longest span of 45 ft (13.7 m) and a deck 31 ft wide.

Who owns Csah 9 over Crow Wing River?

It is owned by the County Highway Agency.