US Bridges

US 24 Ml over UP RR

Good

Chaffee County, Colorado · 0.05 MI NE of JCT US 285 · Structure no. I-12-AB

Built
2014
11 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
117 ft
1 main span
Daily traffic
7,800
2020 count
Owner
State
State Highway Agency

About this bridge

US 24 Ml over UP RR is a prestressed concrete box beam or girders - multiple carrying US 24 Ml over UP RR in Chaffee County, Colorado. It was built in 2014, so it is 11 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,800 vehicles a day, roughly 7% of them trucks, projected to reach 10,374 by 2040. The structure is 117 ft (35.7 m) long and 39 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 24 Ml
CrossesUP RR
Location0.05 MI NE of JCT US 285
RouteU.S. Route 24A
Coordinates38.81022, -106.11399
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.9 US tons
Inventory rating49.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length117 ft (35.7 m)
Longest span113 ft (34.4 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,800 (2020)
Projected traffic10,374 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 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 24 Ml over UP RR built?

It was built in 2014, making it 11 years old in 2025.

What condition is US 24 Ml over UP RR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does US 24 Ml over UP RR carry?

About 7,800 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is US 24 Ml over UP RR?

The structure is 117 ft (35.7 m) long with a longest span of 113 ft (34.4 m) and a deck 39 ft wide.

Who owns US 24 Ml over UP RR?

It is owned by the State Highway Agency.