US Bridges

County Road 6E over San Luis Canal

Fair

Rio Grande County, Colorado · 1.2 MI N of CR 1S · Structure no. RGDE06-00.20NA

Built
2005
20 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
886
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 6E over San Luis Canal is a steel stringer/multi-beam or girder carrying County Road 6E over San Luis Canal in Rio Grande County, Colorado. It was built in 2005, so it is 20 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 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 886 vehicles a day, roughly 5% of them trucks, projected to reach 1,027 by 2042. The structure is 30 ft (9.1 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCounty Road 6E
CrossesSan Luis Canal
Location1.2 MI N of CR 1S
RouteCounty Highway 0
CountyRio Grande County
StateColorado
Coordinates37.57743, -106.03929
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
Deck9 ExcellentNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
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 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 alignment8: Equal to present desirable criteria
Operating rating46.8 US tons
Inventory rating28 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span27 ft (8.3 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic886 (2022)
Projected traffic1,027 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 6E over San Luis Canal built?

It was built in 2005, making it 20 years old in 2025.

What condition is County Road 6E over San Luis 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 6E over San Luis Canal carry?

About 886 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is County Road 6E over San Luis Canal?

The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.3 m) and a deck 32 ft wide.

Who owns County Road 6E over San Luis Canal?

It is owned by the County Highway Agency.