US Bridges

County Road G over Govt. Highline Canal

Fair

Mesa County, Colorado · .1 MI E of RD 34 · Structure no. MESA-G-34.1A

Built
1985
40 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
67 ft
1 main span
Daily traffic
1,233
2022 count
Owner
County
County Highway Agency

About this bridge

County Road G over Govt. Highline Canal is a steel stringer/multi-beam or girder carrying County Road G over Govt. Highline Canal in Mesa 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 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 1,233 vehicles a day, roughly 5% of them trucks, projected to reach 1,443 by 2042. The structure is 67 ft (20.3 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCounty Road G
CrossesGovt. Highline Canal
Location.1 MI E of RD 34
RouteCounty Highway 0
CountyMesa County
StateColorado
Coordinates39.10628, -108.41966
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionFebruary 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.6 US tons
Inventory rating24.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length67 ft (20.3 m)
Longest span63 ft (19.3 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,233 (2022)
Projected traffic1,443 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 G over Govt. Highline Canal built?

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

What condition is County Road G over Govt. Highline 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 February 2024.

How much traffic does County Road G over Govt. Highline Canal carry?

About 1,233 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is County Road G over Govt. Highline Canal?

The structure is 67 ft (20.3 m) long with a longest span of 63 ft (19.3 m) and a deck 32 ft wide.

Who owns County Road G over Govt. Highline Canal?

It is owned by the County Highway Agency.