US Bridges

County Road I.9 over Govnment Highline Canal

Good

Mesa County, Colorado · At Cameo · Structure no. MESA-I.9-39.2A

Built
2017
8 years old
Condition
Good
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
90 ft
1 main span
Daily traffic
309
2022 count
Owner
County
County Highway Agency

About this bridge

County Road I.9 over Govnment Highline Canal is a prestressed concrete box beam or girders - multiple carrying County Road I.9 over Govnment Highline Canal in Mesa County, Colorado. It was built in 2017, so it is 8 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 309 vehicles a day, roughly 2% of them trucks, projected to reach 362 by 2042. The structure is 90 ft (27.5 m) long and 35 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesCounty Road I.9
CrossesGovnment Highline Canal
LocationAt Cameo
RouteCounty Highway 0
Coordinates39.14943, -108.31852
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
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 evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating30.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length90 ft (27.5 m)
Longest span85 ft (25.9 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic309 (2022)
Projected traffic362 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 I.9 over Govnment Highline Canal built?

It was built in 2017, making it 8 years old in 2025.

What condition is County Road I.9 over Govnment Highline Canal 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 February 2024.

How much traffic does County Road I.9 over Govnment Highline Canal carry?

About 309 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road I.9 over Govnment Highline Canal?

The structure is 90 ft (27.5 m) long with a longest span of 85 ft (25.9 m) and a deck 35 ft wide.

Who owns County Road I.9 over Govnment Highline Canal?

It is owned by the County Highway Agency.