US Bridges

SH 141 Ml over Colorado River

Poor

Mesa County, Colorado · S Edge of Clifton · Structure no. H-03-BL

Built
1968
57 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
290 ft
3 main spans
Daily traffic
8,300
2020 count
Owner
State
State Highway Agency

About this bridge

SH 141 Ml over Colorado River is a prestressed concrete stringer/multi-beam or girder carrying SH 141 Ml over Colorado River in Mesa County, Colorado. It was built in 1968, so it is 57 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 8,300 vehicles a day, roughly 7% of them trucks, projected to reach 8,466 by 2040. The structure is 290 ft (88.5 m) long and 35 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesSH 141 Ml
CrossesColorado River
LocationS Edge of Clifton
RouteU.S. Route 141B
Coordinates39.05465, -108.45949
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating30.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length290 ft (88.5 m)
Longest span95 ft (29.1 m)
Deck width35 ft (10.7 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,300 (2020)
Projected traffic8,466 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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$5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 141 Ml over Colorado River built?

It was built in 1968, making it 57 years old in 2025.

What condition is SH 141 Ml over Colorado River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does SH 141 Ml over Colorado River carry?

About 8,300 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is SH 141 Ml over Colorado River?

The structure is 290 ft (88.5 m) long with a longest span of 95 ft (29.1 m) and a deck 35 ft wide.

Who owns SH 141 Ml over Colorado River?

It is owned by the State Highway Agency.