US Bridges

US 24 Ml over Spring Creek

Fair

Kit Carson County, Colorado · 2 MI W of Stratton · Structure no. G-26-D

Built
1931
94 years old
Condition
Fair
inspected March 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
182 ft
5 main spans
Daily traffic
350
2020 count
Owner
State
State Highway Agency

About this bridge

US 24 Ml over Spring Creek is a steel stringer/multi-beam or girder carrying US 24 Ml over Spring Creek in Kit Carson County, Colorado. It was built in 1931, so it is 94 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 5 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 350 vehicles a day, roughly 13% of them trucks, projected to reach 406 by 2040. The structure is 182 ft (55.5 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 24 Ml
CrossesSpring Creek
Location2 MI W of Stratton
RouteU.S. Route 24B
Coordinates39.30111, -102.64233
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.8 US tons
Inventory rating20.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length182 ft (55.5 m)
Longest span59 ft (17.9 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2020)
Projected traffic406 by 2040
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 24 Ml over Spring Creek built?

It was built in 1931, making it 94 years old in 2025.

What condition is US 24 Ml over Spring 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 March 2025.

How much traffic does US 24 Ml over Spring Creek carry?

About 350 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is US 24 Ml over Spring Creek?

The structure is 182 ft (55.5 m) long with a longest span of 59 ft (17.9 m) and a deck 23 ft wide.

Who owns US 24 Ml over Spring Creek?

It is owned by the State Highway Agency.