US Bridges

US 50 Ml over S Arkansas River

Fair

Chaffee County, Colorado · 0.1 MI East of JCT SH291 · Structure no. J-13-J

Built
1978
47 years old
Condition
Fair
inspected February 2025
Type
Culvert
Steel
Length
54 ft
2 main spans
Daily traffic
5,600
2020 count
Owner
State
State Highway Agency

About this bridge

US 50 Ml over S Arkansas River is a steel culvert carrying US 50 Ml over S Arkansas River in Chaffee County, Colorado. It was built in 1978, so it is 47 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 5,600 vehicles a day, roughly 7% of them trucks, projected to reach 5,992 by 2040. The structure is 54 ft (16.5 m) long and 98 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 50 Ml
CrossesS Arkansas River
Location0.1 MI East of JCT SH291
RouteU.S. Route 50A
Coordinates38.52233, -105.98348
Functional classUrban Other Principal 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.8 US tons
Inventory rating106.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length54 ft (16.5 m)
Longest span24 ft (7.4 m)
Deck width98 ft (30 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,600 (2020)
Projected traffic5,992 by 2040
Trucks7%
Lanes on structure4
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 S Arkansas River built?

It was built in 1978, making it 47 years old in 2025.

What condition is US 50 Ml over S Arkansas 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 February 2025.

How much traffic does US 50 Ml over S Arkansas River carry?

About 5,600 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is US 50 Ml over S Arkansas River?

The structure is 54 ft (16.5 m) long with a longest span of 24 ft (7.4 m) and a deck 98 ft wide.

Who owns US 50 Ml over S Arkansas River?

It is owned by the State Highway Agency.