US Bridges

US 50 Ml over Hayden Creek

Fair

Fremont County, Colorado · 18 MI SE of Salida · Structure no. K-13-U

Built
1936
89 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
3,600
2020 count
Owner
State
State Highway Agency

About this bridge

US 50 Ml over Hayden Creek is a steel stringer/multi-beam or girder carrying US 50 Ml over Hayden Creek in Fremont County, Colorado. It was built in 1936, so it is 89 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 3,600 vehicles a day, roughly 9% of them trucks, projected to reach 3,852 by 2040. The structure is 33 ft (10.1 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 50 Ml
CrossesHayden Creek
Location18 MI SE of Salida
RouteU.S. Route 50A
Coordinates38.36973, -105.75561
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.8 US tons
Inventory rating25.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length33 ft (10.1 m)
Longest span30 ft (9.1 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2020)
Projected traffic3,852 by 2040
Trucks9%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 50 Ml over Hayden Creek built?

It was built in 1936, making it 89 years old in 2025.

What condition is US 50 Ml over Hayden 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 February 2025.

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

About 3,600 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is US 50 Ml over Hayden Creek?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m) and a deck 33 ft wide.

Who owns US 50 Ml over Hayden Creek?

It is owned by the State Highway Agency.