US Bridges

SH 10 Ml over Crooked Arroyo

Good

Otero County, Colorado · 1 MI W of LA Junta · Structure no. M-22-ZA

Built
2020
5 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
123 ft
2 main spans
Daily traffic
750
2020 count
Owner
State
State Highway Agency

About this bridge

SH 10 Ml over Crooked Arroyo is a steel stringer/multi-beam or girder carrying SH 10 Ml over Crooked Arroyo in Otero County, Colorado. It was built in 2020, so it is 5 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 750 vehicles a day, roughly 8% of them trucks, projected to reach 885 by 2040. The structure is 123 ft (37.5 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSH 10 Ml
CrossesCrooked Arroyo
Location1 MI W of LA Junta
RouteState Highway 10A
Coordinates37.98213, -103.59881
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating39.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length123 ft (37.5 m)
Longest span58 ft (17.7 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2020)
Projected traffic885 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$980,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 10 Ml over Crooked Arroyo built?

It was built in 2020, making it 5 years old in 2025.

What condition is SH 10 Ml over Crooked Arroyo 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 2024.

How much traffic does SH 10 Ml over Crooked Arroyo carry?

About 750 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is SH 10 Ml over Crooked Arroyo?

The structure is 123 ft (37.5 m) long with a longest span of 58 ft (17.7 m) and a deck 43 ft wide.

Who owns SH 10 Ml over Crooked Arroyo?

It is owned by the State Highway Agency.