US Bridges

Csah 7 over Crow Wing River

FairPosted for load

Wadena County, Minnesota · 0.3 MI W of JCT Csah 30 · Structure no. 80506

Built
1967
58 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
160 ft
4 main spans
Daily traffic
276
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 7 over Crow Wing River is a wood or timber stringer/multi-beam or girder carrying Csah 7 over Crow Wing River in Wadena County, Minnesota. It was built in 1967, so it is 58 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 276 vehicles a day, projected to reach 190 by 2041. The structure is 160 ft (48.8 m) long and 32 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesCsah 7
CrossesCrow Wing River
Location0.3 MI W of JCT Csah 30
RouteCounty Highway 7
Coordinates46.50714, -94.80784
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; extensive scour has occurred
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 alignment7: Better than present minimum criteria
Operating rating30 US tons
Inventory rating23.3 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadH 20
Structure length160 ft (48.8 m)
Longest span40 ft (12.2 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic276 (2021)
Projected traffic190 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 7 over Crow Wing River built?

It was built in 1967, making it 58 years old in 2025.

What condition is Csah 7 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 2023.

How much traffic does Csah 7 over Crow Wing River carry?

About 276 vehicles per day (2021 count).

How long is Csah 7 over Crow Wing River?

The structure is 160 ft (48.8 m) long with a longest span of 40 ft (12.2 m) and a deck 32 ft wide.

Who owns Csah 7 over Crow Wing River?

It is owned by the County Highway Agency.