US Bridges

US 160 Ml over Devil Creek

Fair

Archuleta County, Colorado · 18 MI W. of Pagosa Spring · Structure no. P-07-B

Built
1955
70 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete Continuous
Length
96 ft
3 main spans
Daily traffic
4,300
2020 count
Owner
State
State Highway Agency

About this bridge

US 160 Ml over Devil Creek is a concrete continuous tee beam carrying US 160 Ml over Devil Creek in Archuleta County, Colorado. It was built in 1955, so it is 70 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 4,300 vehicles a day, roughly 12% of them trucks, projected to reach 5,547 by 2040. The structure is 96 ft (29.3 m) long and 34 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesUS 160 Ml
CrossesDevil Creek
Location18 MI W. of Pagosa Spring
RouteU.S. Route 160A
Coordinates37.21088, -107.29742
Functional classRural Principal Arterial - Other

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
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 rating36.7 US tons
Inventory rating22 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckOther
Main spans3
Design loadHS 20
Structure length96 ft (29.3 m)
Longest span38 ft (11.7 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,300 (2020)
Projected traffic5,547 by 2040
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 160 Ml over Devil Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is US 160 Ml over Devil 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 October 2023.

How much traffic does US 160 Ml over Devil Creek carry?

About 4,300 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is US 160 Ml over Devil Creek?

The structure is 96 ft (29.3 m) long with a longest span of 38 ft (11.7 m) and a deck 34 ft wide.

Who owns US 160 Ml over Devil Creek?

It is owned by the State Highway Agency.