US Bridges

G Road over Grand Valley Canal

Good

Mesa County, Colorado · .1 MI E of Road 26.00 · Structure no. GRJ-G-26.1A

Built
1991
34 years old
Condition
Good
inspected February 2024
Type
Slab
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
5,776
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

G Road over Grand Valley Canal is a prestressed concrete slab carrying G Road over Grand Valley Canal in Mesa County, Colorado. It was built in 1991, so it is 34 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 5,776 vehicles a day, roughly 7% of them trucks, projected to reach 6,758 by 2042. The structure is 43 ft (13 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesG Road
CrossesGrand Valley Canal
Location.1 MI E of Road 26.00
RouteCity Street 0
Coordinates39.10633, -108.56986
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo 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 within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60.5 US tons
Inventory rating36.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length43 ft (13 m)
Longest span37 ft (11.4 m)
Deck width36 ft (11.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,776 (2022)
Projected traffic6,758 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$221,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was G Road over Grand Valley Canal built?

It was built in 1991, making it 34 years old in 2025.

What condition is G Road over Grand Valley 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 G Road over Grand Valley Canal carry?

About 5,776 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is G Road over Grand Valley Canal?

The structure is 43 ft (13 m) long with a longest span of 37 ft (11.4 m) and a deck 36 ft wide.

Who owns G Road over Grand Valley Canal?

It is owned by the City or Municipal Highway Agency.