US Bridges

County Road 6S over Monte Vista Canal

Fair

Rio Grande County, Colorado · 0.7 MI West of SH 15 · Structure no. 000065511-67185

Built
1960
65 years old
Condition
Fair
inspected June 2024
Type
Girder and Floorbeam System
Steel
Length
53 ft
1 main span
Daily traffic
1
2024 count
Owner
Federal
Bureau of Fish and Wildlife

About this bridge

County Road 6S over Monte Vista Canal is a steel girder and floorbeam system carrying County Road 6S over Monte Vista Canal in Rio Grande County, Colorado. It was built in 1960, so it is 65 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 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 1 vehicles a day, projected to reach 5 by 2044. The structure is 53 ft (16.2 m) long and 16 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesCounty Road 6S
CrossesMonte Vista Canal
Location0.7 MI West of SH 15
RouteFederal Lands Road 6S
Coordinates37.48783, -106.16217
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating35.1 US tons
Inventory rating21.1 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length53 ft (16.2 m)
Longest span50 ft (15.2 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic1 (2024)
Projected traffic5 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Fish and Wildlife
Maintained byBureau of Fish and Wildlife
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 County Road 6S over Monte Vista Canal built?

It was built in 1960, making it 65 years old in 2025.

What condition is County Road 6S over Monte Vista Canal 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 June 2024.

How much traffic does County Road 6S over Monte Vista Canal carry?

About 1 vehicles per day (2024 count).

How long is County Road 6S over Monte Vista Canal?

The structure is 53 ft (16.2 m) long with a longest span of 50 ft (15.2 m) and a deck 16 ft wide.

Who owns County Road 6S over Monte Vista Canal?

It is owned by the Bureau of Fish and Wildlife.