US Bridges

US 50 Ml over Sandy Creek

Fair

Fremont County, Colorado · 4.3 Mi. East of Cotopaxi · Structure no. K-14-Y

Built
1989
36 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
3,300
2020 count
Owner
State
State Highway Agency

About this bridge

US 50 Ml over Sandy Creek is a concrete culvert carrying US 50 Ml over Sandy Creek in Fremont County, Colorado. It was built in 1989, so it is 36 years old, younger 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 3,300 vehicles a day, roughly 12% of them trucks, projected to reach 3,399 by 2040. The structure is 38 ft (11.6 m) long and 50 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesUS 50 Ml
CrossesSandy Creek
Location4.3 Mi. East of Cotopaxi
RouteU.S. Route 50A
Coordinates38.39317, -105.6269
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating83.8 US tons
Inventory rating50 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span12 ft (3.7 m)
Deck width50 ft (15.2 m)
Roadway width48 ft (14.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2020)
Projected traffic3,399 by 2040
Trucks12%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 50 Ml over Sandy Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is US 50 Ml over Sandy 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 January 2025.

How much traffic does US 50 Ml over Sandy Creek carry?

About 3,300 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is US 50 Ml over Sandy Creek?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m) and a deck 50 ft wide.

Who owns US 50 Ml over Sandy Creek?

It is owned by the State Highway Agency.