US Bridges

SH 139 Ml over East Salt Wash

Fair

Garfield County, Colorado · 15.5 MI N of Loma · Structure no. G-01-B

Built
1968
57 years old, rebuilt 1987
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
620
2020 count
Owner
State
State Highway Agency

About this bridge

SH 139 Ml over East Salt Wash is a concrete culvert carrying SH 139 Ml over East Salt Wash in Garfield County, Colorado. It was built in 1968 and reconstructed in 1987, 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 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 620 vehicles a day, roughly 16% of them trucks, projected to reach 794 by 2040. The structure is 22 ft (6.6 m) long and 62 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSH 139 Ml
CrossesEast Salt Wash
Location15.5 MI N of Loma
RouteState Highway 139A
Coordinates39.40169, -108.81305
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.3 US tons
Inventory rating30.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length22 ft (6.6 m)
Longest span22 ft (6.6 m)
Deck width62 ft (18.9 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic620 (2020)
Projected traffic794 by 2040
Trucks16%
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 139 Ml over East Salt Wash built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1987.

What condition is SH 139 Ml over East Salt Wash 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 July 2024.

How much traffic does SH 139 Ml over East Salt Wash carry?

About 620 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is SH 139 Ml over East Salt Wash?

The structure is 22 ft (6.6 m) long with a longest span of 22 ft (6.6 m) and a deck 62 ft wide.

Who owns SH 139 Ml over East Salt Wash?

It is owned by the State Highway Agency.