US Bridges

Csah 6 over Silver Creek

FairPosted for load

Clearwater County, Minnesota · 0.8 MI W of JCT TH 92 · Structure no. 4703

Built
1927
98 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
23 ft
1 main span
Daily traffic
570
2020 count
Owner
County
County Highway Agency

About this bridge

Csah 6 over Silver Creek is a steel stringer/multi-beam or girder carrying Csah 6 over Silver Creek in Clearwater County, Minnesota. It was built in 1927, so it is 98 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 570 vehicles a day, projected to reach 610 by 2040. The structure is 23 ft (7 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCsah 6
CrossesSilver Creek
Location0.8 MI W of JCT TH 92
RouteCounty Highway 6
CountyClearwater County
StateMinnesota
Coordinates47.67362, -95.44731
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
Deck7 GoodSome minor problems.
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 protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating27.4 US tons
Inventory rating16.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic570 (2020)
Projected traffic610 by 2040
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$244 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 6 over Silver Creek built?

It was built in 1927, making it 98 years old in 2025.

What condition is Csah 6 over Silver 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 September 2024.

How much traffic does Csah 6 over Silver Creek carry?

About 570 vehicles per day (2020 count).

How long is Csah 6 over Silver Creek?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 29 ft wide.

Who owns Csah 6 over Silver Creek?

It is owned by the County Highway Agency.