US Bridges

US 24 Ml over Spring Creek

Fair

Kit Carson County, Colorado · 0.5 MI E of Vona · Structure no. G-26-C

Built
1928
97 years old
Condition
Fair
inspected March 2025
Type
Slab
Concrete
Length
142 ft
7 main spans
Daily traffic
350
2020 count
Owner
State
State Highway Agency

About this bridge

US 24 Ml over Spring Creek is a concrete slab carrying US 24 Ml over Spring Creek in Kit Carson County, Colorado. It was built in 1928, so it is 97 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 142 ft (43.3 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 24 Ml
CrossesSpring Creek
Location0.5 MI E of Vona
RouteU.S. Route 24B
Coordinates39.30035, -102.72902
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 protection8 Very GoodNo problems noted.
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 rating45 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadH 15
Structure length142 ft (43.3 m)
Longest span20 ft (6.1 m)
Deck width24 ft (7.3 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 statusListed on the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$432,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 24 Ml over Spring Creek built?

It was built in 1928, making it 97 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 142 ft (43.3 m) long with a longest span of 20 ft (6.1 m) and a deck 24 ft wide.

Who owns US 24 Ml over Spring Creek?

It is owned by the State Highway Agency.