US Bridges

US 24 Ml over Big Sandy Creek

Fair

Lincoln County, Colorado · Lincoln/Elbert Line · Structure no. G-22-BY

Built
2000
25 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
495 ft
4 main spans
Daily traffic
3,000
2020 count
Owner
State
State Highway Agency

About this bridge

US 24 Ml over Big Sandy Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying US 24 Ml over Big Sandy Creek in Lincoln County, Colorado. It was built in 2000, so it is 25 years old, younger 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 3,000 vehicles a day, roughly 16% of them trucks, projected to reach 3,660 by 2040. The structure is 495 ft (150.9 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 24 Ml
CrossesBig Sandy Creek
LocationLincoln/Elbert Line
RouteU.S. Route 24G
Coordinates39.26489, -103.71463
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.
Superstructure7 GoodSome minor problems.
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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.1 US tons
Inventory rating44.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length495 ft (150.9 m)
Longest span122 ft (37.1 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2020)
Projected traffic3,660 by 2040
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 Big Sandy Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is US 24 Ml over Big Sandy 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 24 Ml over Big Sandy Creek carry?

About 3,000 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is US 24 Ml over Big Sandy Creek?

The structure is 495 ft (150.9 m) long with a longest span of 122 ft (37.1 m) and a deck 43 ft wide.

Who owns US 24 Ml over Big Sandy Creek?

It is owned by the State Highway Agency.