US Bridges

SH 139 Ml over State Bridge Draw

Fair

Rio Blanco County, Colorado · 12 MI S of Rangely · Structure no. E-02-K

Built
1978
47 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
620
2020 count
Owner
State
State Highway Agency

About this bridge

SH 139 Ml over State Bridge Draw is a concrete culvert carrying SH 139 Ml over State Bridge Draw in Rio Blanco County, Colorado. It was built in 1978, so it is 47 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 21 ft (6.4 m) long and 81 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSH 139 Ml
CrossesState Bridge Draw
Location12 MI S of Rangely
RouteState Highway 139A
Coordinates39.92474, -108.74462
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width81 ft (24.7 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 State Bridge Draw built?

It was built in 1978, making it 47 years old in 2025.

What condition is SH 139 Ml over State Bridge Draw 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 State Bridge Draw carry?

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

How long is SH 139 Ml over State Bridge Draw?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 81 ft wide.

Who owns SH 139 Ml over State Bridge Draw?

It is owned by the State Highway Agency.