US Bridges

SH 59 Ml over Little Spring Creek

Good

Cheyenne County, Colorado · 16 MI N of Kit Carson · Structure no. I-25-W

Built
1960
65 years old
Condition
Good
inspected February 2025
Type
Culvert
Steel
Length
48 ft
5 main spans
Daily traffic
380
2020 count
Owner
State
State Highway Agency

About this bridge

SH 59 Ml over Little Spring Creek is a steel culvert carrying SH 59 Ml over Little Spring Creek in Cheyenne County, Colorado. It was built in 1960, so it is 65 years old, older 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 380 vehicles a day, roughly 30% of them trucks, projected to reach 490 by 2040. The structure is 48 ft (14.6 m) long and 72 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSH 59 Ml
CrossesLittle Spring Creek
Location16 MI N of Kit Carson
RouteState Highway 59A
Coordinates38.99868, -102.79839
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.1 US tons
Inventory rating31.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans5
Design loadUnknown
Structure length48 ft (14.6 m)
Longest span7 ft (2.1 m)
Deck width72 ft (21.9 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic380 (2020)
Projected traffic490 by 2040
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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 SH 59 Ml over Little Spring Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is SH 59 Ml over Little Spring Creek 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 February 2025.

How much traffic does SH 59 Ml over Little Spring Creek carry?

About 380 vehicles per day (2020 count), of which roughly 30% are trucks.

How long is SH 59 Ml over Little Spring Creek?

The structure is 48 ft (14.6 m) long with a longest span of 7 ft (2.1 m) and a deck 72 ft wide.

Who owns SH 59 Ml over Little Spring Creek?

It is owned by the State Highway Agency.