US Bridges

SH 141 Ml over Grand Valley Canal

Good

Mesa County, Colorado · In Clifton · Structure no. H-03-BO

Built
1984
41 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
62 ft
1 main span
Daily traffic
15,000
2020 count
Owner
State
State Highway Agency

About this bridge

SH 141 Ml over Grand Valley Canal is a steel stringer/multi-beam or girder carrying SH 141 Ml over Grand Valley Canal in Mesa County, Colorado. It was built in 1984, so it is 41 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 15,000 vehicles a day, roughly 4% of them trucks, projected to reach 15,750 by 2040. The structure is 62 ft (18.9 m) long and 95 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSH 141 Ml
CrossesGrand Valley Canal
LocationIn Clifton
RouteU.S. Route 141B
Coordinates39.07905, -108.4593
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length62 ft (18.9 m)
Longest span59 ft (18 m)
Deck width95 ft (29.1 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2020)
Projected traffic15,750 by 2040
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SH 141 Ml over Grand Valley Canal built?

It was built in 1984, making it 41 years old in 2025.

What condition is SH 141 Ml 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 SH 141 Ml over Grand Valley Canal carry?

About 15,000 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is SH 141 Ml over Grand Valley Canal?

The structure is 62 ft (18.9 m) long with a longest span of 59 ft (18 m) and a deck 95 ft wide.

Who owns SH 141 Ml over Grand Valley Canal?

It is owned by the State Highway Agency.