US Bridges

Csah 6 over Beaver Creek

FairPosted for load

Rock County, Minnesota · 0.6 MI N of JCT Csah 4 · Structure no. 67504

Built
1972
53 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
108 ft
3 main spans
Daily traffic
355
2018 count
Owner
County
County Highway Agency

About this bridge

Csah 6 over Beaver Creek is a wood or timber stringer/multi-beam or girder carrying Csah 6 over Beaver Creek in Rock County, Minnesota. It was built in 1972, so it is 53 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. Its operating status is: posted for load restriction.

It carries about 355 vehicles a day, projected to reach 380 by 2038. The structure is 108 ft (32.9 m) long and 38 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesCsah 6
CrossesBeaver Creek
Location0.6 MI N of JCT Csah 4
RouteCounty Highway 6
Coordinates43.62514, -96.35234
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.6 US tons
Inventory rating22 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadH 20
Structure length108 ft (32.9 m)
Longest span36 ft (11 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic355 (2018)
Projected traffic380 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 6 over Beaver Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is Csah 6 over Beaver Creek 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 6 over Beaver Creek carry?

About 355 vehicles per day (2018 count).

How long is Csah 6 over Beaver Creek?

The structure is 108 ft (32.9 m) long with a longest span of 36 ft (11 m) and a deck 38 ft wide.

Who owns Csah 6 over Beaver Creek?

It is owned by the County Highway Agency.