US Bridges

US 24 Ml over Eagle River

Poor

Eagle County, Colorado · Redcliff Arch · Structure no. F-11-T

Built
1940
85 years old, rebuilt 2006
Condition
Poor
inspected September 2024
Type
Arch - Deck
Steel
Length
471 ft
1 main span
Daily traffic
2,000
2020 count
Owner
State
State Highway Agency

About this bridge

US 24 Ml over Eagle River is a steel arch - deck carrying US 24 Ml over Eagle River in Eagle County, Colorado. It was built in 1940 and reconstructed in 2006, so it is 85 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,000 vehicles a day, roughly 4% of them trucks, projected to reach 2,140 by 2040. The structure is 471 ft (143.5 m) long and 39 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

CarriesUS 24 Ml
CrossesEagle River
LocationRedcliff Arch
RouteU.S. Route 24A
Coordinates39.50857, -106.37655
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.4 US tons
Inventory rating21.5 US tons

Structure

Structure typeArch - Deck
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+3 approach)
Design loadH 20
Structure length471 ft (143.5 m)
Longest span318 ft (96.9 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2020)
Projected traffic2,140 by 2040
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed31.7 mi (51 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.7 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 24 Ml over Eagle River built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2006.

What condition is US 24 Ml over Eagle River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does US 24 Ml over Eagle River carry?

About 2,000 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is US 24 Ml over Eagle River?

The structure is 471 ft (143.5 m) long with a longest span of 318 ft (96.9 m) and a deck 39 ft wide.

Who owns US 24 Ml over Eagle River?

It is owned by the State Highway Agency.