US Bridges

County Road 804 over Gaussion Canyon

Good

Otero County, Colorado · 3.6 MI SW of SH 109 · Structure no. OT804-31-7-215A

Built
1985
40 years old
Condition
Good
inspected November 2023
Type
Culvert
Steel
Length
36 ft
3 main spans
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 804 over Gaussion Canyon is a steel culvert carrying County Road 804 over Gaussion Canyon in Otero County, Colorado. It was built in 1985, so it is 40 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 26 vehicles a day, projected to reach 30 by 2042. The structure is 36 ft (11.1 m) long and 35 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

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CarriesCounty Road 804
CrossesGaussion Canyon
Location3.6 MI SW of SH 109
RouteCounty Highway 0
CountyOtero County
StateColorado
Coordinates37.74094, -103.48869
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length36 ft (11.1 m)
Longest span10 ft (3.1 m)
Deck width35 ft (10.8 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic30 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 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 804 over Gaussion Canyon built?

It was built in 1985, making it 40 years old in 2025.

What condition is County Road 804 over Gaussion Canyon 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 November 2023.

How much traffic does County Road 804 over Gaussion Canyon carry?

About 26 vehicles per day (2022 count).

How long is County Road 804 over Gaussion Canyon?

The structure is 36 ft (11.1 m) long with a longest span of 10 ft (3.1 m) and a deck 35 ft wide.

Who owns County Road 804 over Gaussion Canyon?

It is owned by the County Highway Agency.