US Bridges

US 160 Ml over Empire Canal

Fair

Rio Grande County, Colorado · 12 MI W of Alamosa · Structure no. N-12-BB

Built
1972
53 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete Continuous
Length
79 ft
2 main spans
Daily traffic
7,700
2020 count
Owner
State
State Highway Agency

About this bridge

US 160 Ml over Empire Canal is a concrete continuous tee beam carrying US 160 Ml over Empire Canal in Rio Grande County, Colorado. It was built in 1972, so it is 53 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 7,700 vehicles a day, roughly 6% of them trucks, projected to reach 9,086 by 2040. The structure is 79 ft (24.1 m) long and 47 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 160 Ml
CrossesEmpire Canal
Location12 MI W of Alamosa
RouteU.S. Route 160A
Coordinates37.54851, -106.06793
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.4 US tons
Inventory rating51.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length79 ft (24.1 m)
Longest span38 ft (11.6 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,700 (2020)
Projected traffic9,086 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Empire Canal built?

It was built in 1972, making it 53 years old in 2025.

What condition is US 160 Ml over Empire Canal 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 March 2023.

How much traffic does US 160 Ml over Empire Canal carry?

About 7,700 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is US 160 Ml over Empire Canal?

The structure is 79 ft (24.1 m) long with a longest span of 38 ft (11.6 m) and a deck 47 ft wide.

Who owns US 160 Ml over Empire Canal?

It is owned by the State Highway Agency.