US Bridges

SH 139 Ml over Douglas Creek

Fair

Rio Blanco County, Colorado · 9.5 Mi. S. of Rangely · Structure no. E-01-F

Built
1990
35 years old
Condition
Fair
inspected July 2024
Type
Frame
Concrete
Length
49 ft
2 main spans
Daily traffic
620
2020 count
Owner
State
State Highway Agency

About this bridge

SH 139 Ml over Douglas Creek is a concrete frame carrying SH 139 Ml over Douglas Creek in Rio Blanco County, Colorado. It was built in 1990, so it is 35 years old, younger 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 5 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 49 ft (15 m) long and 120 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSH 139 Ml
CrossesDouglas Creek
Location9.5 Mi. S. of Rangely
RouteState Highway 139A
Coordinates39.961, -108.77164
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating79.9 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length49 ft (15 m)
Longest span23 ft (6.9 m)
Deck width120 ft (36.6 m)
Roadway width40 ft (12.2 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 Douglas Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is SH 139 Ml over Douglas Creek 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 Douglas Creek carry?

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

How long is SH 139 Ml over Douglas Creek?

The structure is 49 ft (15 m) long with a longest span of 23 ft (6.9 m) and a deck 120 ft wide.

Who owns SH 139 Ml over Douglas Creek?

It is owned by the State Highway Agency.