US Bridges

County Road G.2 over Orchard Mesa Canal

Fair

Mesa County, Colorado · Just East of Cty RD 39.4 · Structure no. MESA-G.2-39.4A

Built
2003
22 years old
Condition
Fair
inspected March 2024
Type
Slab
Prestressed Concrete
Length
58 ft
1 main span
Daily traffic
73
2022 count
Owner
County
County Highway Agency

About this bridge

County Road G.2 over Orchard Mesa Canal is a prestressed concrete slab carrying County Road G.2 over Orchard Mesa Canal in Mesa County, Colorado. It was built in 2003, so it is 22 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 6 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 73 vehicles a day, roughly 2% of them trucks, projected to reach 86 by 2042. The structure is 58 ft (17.7 m) long and 25 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

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CarriesCounty Road G.2
CrossesOrchard Mesa Canal
LocationJust East of Cty RD 39.4
RouteCounty Highway 0
CountyMesa County
StateColorado
Coordinates39.10894, -108.32352
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating45.3 US tons
Inventory rating35.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length58 ft (17.7 m)
Longest span54 ft (16.4 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73 (2022)
Projected traffic86 by 2042
Trucks2%
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 G.2 over Orchard Mesa Canal built?

It was built in 2003, making it 22 years old in 2025.

What condition is County Road G.2 over Orchard Mesa 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 March 2024.

How much traffic does County Road G.2 over Orchard Mesa Canal carry?

About 73 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road G.2 over Orchard Mesa Canal?

The structure is 58 ft (17.7 m) long with a longest span of 54 ft (16.4 m) and a deck 25 ft wide.

Who owns County Road G.2 over Orchard Mesa Canal?

It is owned by the County Highway Agency.