US Bridges

County Road Gg over Otero Canal

Fair

Otero County, Colorado · .6 MI W of CR 16 · Structure no. OTGG-15.3-29-54

Built
1957
68 years old, rebuilt 2016
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
92
2022 count
Owner
County
County Highway Agency

About this bridge

County Road Gg over Otero Canal is a steel stringer/multi-beam or girder carrying County Road Gg over Otero Canal in Otero County, Colorado. It was built in 1957 and reconstructed in 2016, so it is 68 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.

It carries about 92 vehicles a day, roughly 2% of them trucks, projected to reach 104 by 2042. The structure is 34 ft (10.4 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road Gg
CrossesOtero Canal
Location.6 MI W of CR 16
RouteCounty Highway 0
CountyOtero County
StateColorado
Coordinates38.06944, -103.79583
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
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 protection7 GoodSome minor problems.
Last inspectionNovember 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating38.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span31 ft (9.4 m)
Deck width26 ft (8 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic92 (2022)
Projected traffic104 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 Gg over Otero Canal built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2016.

What condition is County Road Gg over Otero 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 November 2023.

How much traffic does County Road Gg over Otero Canal carry?

About 92 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road Gg over Otero Canal?

The structure is 34 ft (10.4 m) long with a longest span of 31 ft (9.4 m) and a deck 26 ft wide.

Who owns County Road Gg over Otero Canal?

It is owned by the County Highway Agency.