US Bridges

US 24 Ml over UP RR

Poor

Eagle County, Colorado · 5 MI S of Redcliff · Structure no. G-11-T

Built
1941
84 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
246 ft
1 main span
Daily traffic
1,600
2020 count
Owner
State
State Highway Agency

About this bridge

US 24 Ml over UP RR is a steel stringer/multi-beam or girder carrying US 24 Ml over UP RR in Eagle County, Colorado. It was built in 1941, so it is 84 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 1,600 vehicles a day, roughly 4% of them trucks, projected to reach 1,696 by 2040. The structure is 246 ft (75.1 m) long and 33 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

Location

Open in Google Maps
CarriesUS 24 Ml
CrossesUP RR
Location5 MI S of Redcliff
RouteU.S. Route 24A
CountyEagle County
StateColorado
Coordinates39.45751, -106.33387
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.7 US tons
Inventory rating22.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+4 approach)
Design loadH 15
Structure length246 ft (75.1 m)
Longest span80 ft (24.4 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2020)
Projected traffic1,696 by 2040
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 24 Ml over UP RR built?

It was built in 1941, making it 84 years old in 2025.

What condition is US 24 Ml over UP RR 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 UP RR carry?

About 1,600 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is US 24 Ml over UP RR?

The structure is 246 ft (75.1 m) long with a longest span of 80 ft (24.4 m) and a deck 33 ft wide.

Who owns US 24 Ml over UP RR?

It is owned by the State Highway Agency.