US Bridges

County Road 3W over Rio Grande Canal

FairPosted for load

Rio Grande County, Colorado · .2 MI N of CR N6 · Structure no. RGDW03-06.20NA

Built
1995
30 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
163
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 3W over Rio Grande Canal is a steel stringer/multi-beam or girder carrying County Road 3W over Rio Grande Canal in Rio Grande County, Colorado. It was built in 1995, so it is 30 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 163 vehicles a day, roughly 2% of them trucks, projected to reach 189 by 2042. The structure is 33 ft (10.1 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Road 3W
CrossesRio Grande Canal
Location.2 MI N of CR N6
RouteCounty Highway 0
CountyRio Grande County
StateColorado
Coordinates37.66327, -106.20422
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.3 US tons
Inventory rating21.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span30 ft (9.2 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic163 (2022)
Projected traffic189 by 2042
Trucks2%
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 3W over Rio Grande Canal built?

It was built in 1995, making it 30 years old in 2025.

What condition is County Road 3W over Rio Grande 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 December 2024.

How much traffic does County Road 3W over Rio Grande Canal carry?

About 163 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road 3W over Rio Grande Canal?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.2 m) and a deck 28 ft wide.

Who owns County Road 3W over Rio Grande Canal?

It is owned by the County Highway Agency.