US Bridges

County Road 9N over Farmers Union Canal

Good

Rio Grande County, Colorado · .5 MI W of CR 3W · Structure no. RGDN09-03.50WA

Built
1994
31 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
65 ft
1 main span
Daily traffic
48
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 9N over Farmers Union Canal is a steel stringer/multi-beam or girder carrying County Road 9N over Farmers Union Canal in Rio Grande County, Colorado. It was built in 1994, so it is 31 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 48 vehicles a day, roughly 2% of them trucks, projected to reach 56 by 2042. The structure is 65 ft (19.8 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Road 9N
CrossesFarmers Union Canal
Location.5 MI W of CR 3W
RouteCounty Highway 0
CountyRio Grande County
StateColorado
Coordinates37.70458, -106.21303
Functional classRural Minor Collector

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.
Superstructure7 GoodSome minor problems.
Substructure9 ExcellentNo 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 evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating45.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length65 ft (19.8 m)
Longest span62 ft (18.9 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48 (2022)
Projected traffic56 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 9N over Farmers Union Canal built?

It was built in 1994, making it 31 years old in 2025.

What condition is County Road 9N over Farmers Union 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 9N over Farmers Union Canal carry?

About 48 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road 9N over Farmers Union Canal?

The structure is 65 ft (19.8 m) long with a longest span of 62 ft (18.9 m) and a deck 32 ft wide.

Who owns County Road 9N over Farmers Union Canal?

It is owned by the County Highway Agency.