US Bridges

County RD 31.9 over Wet Canyon Creek

Good

Las Animas County, Colorado · 5.7 MI N of SH 12 · Structure no. LA31.9-16-15-4A

Built
1997
28 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
37 ft
2 main spans
Daily traffic
77
2022 count
Owner
County
County Highway Agency

About this bridge

County RD 31.9 over Wet Canyon Creek is a concrete culvert carrying County RD 31.9 over Wet Canyon Creek in Las Animas County, Colorado. It was built in 1997, so it is 28 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 77 vehicles a day, roughly 2% of them trucks, projected to reach 94 by 2042. The structure is 37 ft (11.4 m) long and 59 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCounty RD 31.9
CrossesWet Canyon Creek
Location5.7 MI N of SH 12
RouteCounty Highway 0
Coordinates37.19797, -104.87881
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length37 ft (11.4 m)
Longest span18 ft (5.6 m)
Deck width59 ft (18 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic77 (2022)
Projected traffic94 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 RD 31.9 over Wet Canyon Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is County RD 31.9 over Wet Canyon Creek 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 May 2023.

How much traffic does County RD 31.9 over Wet Canyon Creek carry?

About 77 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County RD 31.9 over Wet Canyon Creek?

The structure is 37 ft (11.4 m) long with a longest span of 18 ft (5.6 m) and a deck 59 ft wide.

Who owns County RD 31.9 over Wet Canyon Creek?

It is owned by the County Highway Agency.