US Bridges

SH 141 Ml over Salt Canyon

Fair

Mesa County, Colorado · 10 MI SW of Gateway · Structure no. J-01-E

Built
1959
66 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
94 ft
3 main spans
Daily traffic
260
2020 count
Owner
State
State Highway Agency

About this bridge

SH 141 Ml over Salt Canyon is a concrete stringer/multi-beam or girder carrying SH 141 Ml over Salt Canyon in Mesa County, Colorado. It was built in 1959, so it is 66 years old, older 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 260 vehicles a day, roughly 13% of them trucks, projected to reach 312 by 2040. The structure is 94 ft (28.7 m) long and 32 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSH 141 Ml
CrossesSalt Canyon
Location10 MI SW of Gateway
RouteState Highway 141A
Coordinates38.56203, -108.91996
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating41.9 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length94 ft (28.7 m)
Longest span30 ft (9.1 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260 (2020)
Projected traffic312 by 2040
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

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 Salt Canyon built?

It was built in 1959, making it 66 years old in 2025.

What condition is SH 141 Ml over Salt Canyon 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 December 2024.

How much traffic does SH 141 Ml over Salt Canyon carry?

About 260 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is SH 141 Ml over Salt Canyon?

The structure is 94 ft (28.7 m) long with a longest span of 30 ft (9.1 m) and a deck 32 ft wide.

Who owns SH 141 Ml over Salt Canyon?

It is owned by the State Highway Agency.