US Bridges

County Road 5N over Rio Grande Canal

FairPosted for load

Rio Grande County, Colorado · 4.7 MI N of Monte Vista · Structure no. RGDN05-00.30W

Built
1940
85 years old, rebuilt 1974
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
62
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 5N over Rio Grande Canal is a steel stringer/multi-beam or girder carrying County Road 5N over Rio Grande Canal in Rio Grande County, Colorado. It was built in 1940 and reconstructed in 1974, so it is 85 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. Its operating status is: posted for load restriction.

It carries about 62 vehicles a day, roughly 2% of them trucks, projected to reach 72 by 2042. The structure is 35 ft (10.6 m) long and 41 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road 5N
CrossesRio Grande Canal
Location4.7 MI N of Monte Vista
RouteCounty Highway 0
Coordinates37.64732, -106.15593
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.9 US tons
Inventory rating14.3 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length35 ft (10.6 m)
Longest span32 ft (9.8 m)
Deck width41 ft (12.6 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62 (2022)
Projected traffic72 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 5N over Rio Grande Canal built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1974.

What condition is County Road 5N 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 5N over Rio Grande Canal carry?

About 62 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road 5N over Rio Grande Canal?

The structure is 35 ft (10.6 m) long with a longest span of 32 ft (9.8 m) and a deck 41 ft wide.

Who owns County Road 5N over Rio Grande Canal?

It is owned by the County Highway Agency.