US Bridges

CR 37.9 Bower Av over Govt. Highline Canal

Fair

Mesa County, Colorado · Just N of RD G.7 · Structure no. MESA-37.7-G.7A

Built
1989
36 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
1 main span
Daily traffic
108
2022 count
Owner
County
County Highway Agency

About this bridge

CR 37.9 Bower Av over Govt. Highline Canal is a steel stringer/multi-beam or girder carrying CR 37.9 Bower Av over Govt. Highline Canal in Mesa County, Colorado. It was built in 1989, so it is 36 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 108 vehicles a day, projected to reach 126 by 2042. The structure is 52 ft (15.8 m) long and 24 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

Open in Google Maps
CarriesCR 37.9 Bower Av
CrossesGovt. Highline Canal
LocationJust N of RD G.7
RouteCounty Highway 0
CountyMesa County
StateColorado
Coordinates39.11522, -108.34852
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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 alignment7: Better than present minimum criteria
Operating rating37.3 US tons
Inventory rating22.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span49 ft (14.8 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic108 (2022)
Projected traffic126 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 CR 37.9 Bower Av over Govt. Highline Canal built?

It was built in 1989, making it 36 years old in 2025.

What condition is CR 37.9 Bower Av 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 CR 37.9 Bower Av over Govt. Highline Canal carry?

About 108 vehicles per day (2022 count).

How long is CR 37.9 Bower Av over Govt. Highline Canal?

The structure is 52 ft (15.8 m) long with a longest span of 49 ft (14.8 m) and a deck 24 ft wide.

Who owns CR 37.9 Bower Av over Govt. Highline Canal?

It is owned by the County Highway Agency.