US Bridges

US 160 Ml over Chacuaco Creek

Fair

Las Animas County, Colorado · 24 Miles W of Kim · Structure no. P-22-D

Built
1934
91 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
110 ft
3 main spans
Daily traffic
130
2020 count
Owner
State
State Highway Agency

About this bridge

US 160 Ml over Chacuaco Creek is a steel stringer/multi-beam or girder carrying US 160 Ml over Chacuaco Creek in Las Animas County, Colorado. It was built in 1934, so it is 91 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 130 vehicles a day, roughly 27% of them trucks, projected to reach 161 by 2040. The structure is 110 ft (33.5 m) long and 28 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

CarriesUS 160 Ml
CrossesChacuaco Creek
Location24 Miles W of Kim
RouteU.S. Route 160C
Coordinates37.16806, -103.74808
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
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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.7 US tons
Inventory rating23.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length110 ft (33.5 m)
Longest span35 ft (10.7 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2020)
Projected traffic161 by 2040
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.1 mi (100 km)
TollOn a free road
National Highway SystemNo

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 Chacuaco Creek built?

It was built in 1934, making it 91 years old in 2025.

What condition is US 160 Ml over Chacuaco 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 May 2024.

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

About 130 vehicles per day (2020 count), of which roughly 27% are trucks.

How long is US 160 Ml over Chacuaco Creek?

The structure is 110 ft (33.5 m) long with a longest span of 35 ft (10.7 m) and a deck 28 ft wide.

Who owns US 160 Ml over Chacuaco Creek?

It is owned by the State Highway Agency.