US Bridges

US 160 Ml over Los Pinos River

Fair

La Plata County, Colorado · 23.8 MI East of JCT US 55 · Structure no. P-06-D

Built
1962
63 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
204 ft
3 main spans
Daily traffic
8,600
2020 count
Owner
State
State Highway Agency

About this bridge

US 160 Ml over Los Pinos River is a steel continuous stringer/multi-beam or girder carrying US 160 Ml over Los Pinos River in La Plata County, Colorado. It was built in 1962, so it is 63 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 8,600 vehicles a day, roughly 5% of them trucks, projected to reach 11,954 by 2040. The structure is 204 ft (62.2 m) long and 34 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 160 Ml
CrossesLos Pinos River
Location23.8 MI East of JCT US 55
RouteU.S. Route 160A
Coordinates37.22916, -107.61084
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
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 rating51.5 US tons
Inventory rating30.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length204 ft (62.2 m)
Longest span77 ft (23.5 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,600 (2020)
Projected traffic11,954 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 US 160 Ml over Los Pinos River built?

It was built in 1962, making it 63 years old in 2025.

What condition is US 160 Ml over Los Pinos River 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 Los Pinos River carry?

About 8,600 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is US 160 Ml over Los Pinos River?

The structure is 204 ft (62.2 m) long with a longest span of 77 ft (23.5 m) and a deck 34 ft wide.

Who owns US 160 Ml over Los Pinos River?

It is owned by the State Highway Agency.