US Bridges

US 160 Ml over Grey Creek

Fair

Las Animas County, Colorado · 4.0 MI E of JCT I 25 · Structure no. P-19-C

Built
1968
57 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete
Length
42 ft
1 main span
Daily traffic
3,400
2020 count
Owner
State
State Highway Agency

About this bridge

US 160 Ml over Grey Creek is a concrete tee beam carrying US 160 Ml over Grey Creek in Las Animas County, Colorado. It was built in 1968, so it is 57 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 3,400 vehicles a day, roughly 12% of them trucks, projected to reach 3,876 by 2040. The structure is 42 ft (12.7 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 160 Ml
CrossesGrey Creek
Location4.0 MI E of JCT I 25
RouteU.S. Route 160C
Coordinates37.20657, -104.46369
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length42 ft (12.7 m)
Longest span40 ft (12.2 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,400 (2020)
Projected traffic3,876 by 2040
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 US 160 Ml over Grey Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is US 160 Ml over Grey 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 September 2024.

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

About 3,400 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is US 160 Ml over Grey Creek?

The structure is 42 ft (12.7 m) long with a longest span of 40 ft (12.2 m) and a deck 42 ft wide.

Who owns US 160 Ml over Grey Creek?

It is owned by the State Highway Agency.