US Bridges

CR DS.6 Kannah Ck over Kannah Creek

Fair

Mesa County, Colorado · E of MP10 on Kannah Ck RD · Structure no. MESA-DS.6-44.2A

Built
1982
43 years old, rebuilt 1998
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
27 ft
1 main span
Daily traffic
29
2022 count
Owner
County
County Highway Agency

About this bridge

CR DS.6 Kannah Ck over Kannah Creek is a steel stringer/multi-beam or girder carrying CR DS.6 Kannah Ck over Kannah Creek in Mesa County, Colorado. It was built in 1982 and reconstructed in 1998, so it is 43 years old, older than the Colorado average of 42.2 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 29 vehicles a day, projected to reach 34 by 2042. The structure is 27 ft (8.2 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR DS.6 Kannah Ck
CrossesKannah Creek
LocationE of MP10 on Kannah Ck RD
RouteCounty Highway 0
Coordinates38.96131, -108.23039
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating35.2 US tons
Inventory rating21.1 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span25 ft (7.5 m)
Deck width26 ft (8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29 (2022)
Projected traffic34 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 CR DS.6 Kannah Ck over Kannah Creek built?

It was built in 1982, making it 43 years old in 2025. It was reconstructed in 1998.

What condition is CR DS.6 Kannah Ck over Kannah 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 February 2024.

How much traffic does CR DS.6 Kannah Ck over Kannah Creek carry?

About 29 vehicles per day (2022 count).

How long is CR DS.6 Kannah Ck over Kannah Creek?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.5 m) and a deck 26 ft wide.

Who owns CR DS.6 Kannah Ck over Kannah Creek?

It is owned by the County Highway Agency.