US Bridges

US 160 Ml over Mancos River

Fair

Montezuma County, Colorado · 0.7 East of JCT SH 184 · Structure no. O-03-E

Built
1958
67 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Concrete
Length
154 ft
3 main spans
Daily traffic
6,000
2020 count
Owner
State
State Highway Agency

About this bridge

US 160 Ml over Mancos River is a concrete tee beam carrying US 160 Ml over Mancos River in Montezuma County, Colorado. It was built in 1958, so it is 67 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 6,000 vehicles a day, roughly 8% of them trucks, projected to reach 6,360 by 2040. The structure is 154 ft (47 m) long and 34 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 160 Ml
CrossesMancos River
Location0.7 East of JCT SH 184
RouteU.S. Route 160A
Coordinates37.34761, -108.27631
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.7 US tons
Inventory rating41.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckOther
Main spans3
Design loadHS 20
Structure length154 ft (47 m)
Longest span50 ft (15.2 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2020)
Projected traffic6,360 by 2040
Trucks8%
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$283,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 160 Ml over Mancos River built?

It was built in 1958, making it 67 years old in 2025.

What condition is US 160 Ml over Mancos 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 May 2023.

How much traffic does US 160 Ml over Mancos River carry?

About 6,000 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is US 160 Ml over Mancos River?

The structure is 154 ft (47 m) long with a longest span of 50 ft (15.2 m) and a deck 34 ft wide.

Who owns US 160 Ml over Mancos River?

It is owned by the State Highway Agency.