US Bridges

County Road 36.3 over Govt Highline Canal

Fair

Mesa County, Colorado · .8 MI N of RD G · Structure no. MESA-36.3-G.8A

Built
1999
26 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
36
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 36.3 over Govt Highline Canal is a prestressed concrete box beam or girders - multiple carrying County Road 36.3 over Govt Highline Canal in Mesa County, Colorado. It was built in 1999, so it is 26 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 36 vehicles a day, projected to reach 42 by 2042. The structure is 65 ft (19.8 m) long and 32 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

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CarriesCounty Road 36.3
CrossesGovt Highline Canal
Location.8 MI N of RD G
RouteCounty Highway 0
CountyMesa County
StateColorado
Coordinates39.11791, -108.3788
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 rating73.9 US tons
Inventory rating38.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length65 ft (19.8 m)
Longest span58 ft (17.8 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36 (2022)
Projected traffic42 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 36.3 over Govt Highline Canal built?

It was built in 1999, making it 26 years old in 2025.

What condition is County Road 36.3 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 36.3 over Govt Highline Canal carry?

About 36 vehicles per day (2022 count).

How long is County Road 36.3 over Govt Highline Canal?

The structure is 65 ft (19.8 m) long with a longest span of 58 ft (17.8 m) and a deck 32 ft wide.

Who owns County Road 36.3 over Govt Highline Canal?

It is owned by the County Highway Agency.