US Bridges

County Road 6N over Rio Grande Canal

Good

Rio Grande County, Colorado · 0.3 MI E of CR 3W · Structure no. RGDN06-02.60WA

Built
2009
16 years old
Condition
Good
inspected December 2024
Type
Frame
Concrete
Length
43 ft
1 main span
Daily traffic
25
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 6N over Rio Grande Canal is a concrete frame carrying County Road 6N over Rio Grande Canal in Rio Grande County, Colorado. It was built in 2009, so it is 16 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25 vehicles a day, projected to reach 29 by 2042. The structure is 43 ft (13 m) long and 70 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Road 6N
CrossesRio Grande Canal
Location0.3 MI E of CR 3W
RouteCounty Highway 0
CountyRio Grande County
StateColorado
Coordinates37.66108, -106.19798
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating66.7 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length43 ft (13 m)
Longest span39 ft (11.8 m)
Deck width70 ft (21.3 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic29 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 County Road 6N over Rio Grande Canal built?

It was built in 2009, making it 16 years old in 2025.

What condition is County Road 6N over Rio Grande Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does County Road 6N over Rio Grande Canal carry?

About 25 vehicles per day (2022 count).

How long is County Road 6N over Rio Grande Canal?

The structure is 43 ft (13 m) long with a longest span of 39 ft (11.8 m) and a deck 70 ft wide.

Who owns County Road 6N over Rio Grande Canal?

It is owned by the County Highway Agency.