US Bridges

SH 71 Ml over Otero Canal

Good

Otero County, Colorado · 0.4 MI No of JCT SH 10 · Structure no. M-22-AX

Built
1971
54 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
460
2020 count
Owner
State
State Highway Agency

About this bridge

SH 71 Ml over Otero Canal is a steel stringer/multi-beam or girder carrying SH 71 Ml over Otero Canal in Otero County, Colorado. It was built in 1971, so it is 54 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 460 vehicles a day, roughly 15% of them trucks, projected to reach 580 by 2040. The structure is 36 ft (11 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSH 71 Ml
CrossesOtero Canal
Location0.4 MI No of JCT SH 10
RouteState Highway 71B
Coordinates37.9883, -103.7203
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 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 rating68.1 US tons
Inventory rating40.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length36 ft (11 m)
Longest span33 ft (10 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic460 (2020)
Projected traffic580 by 2040
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 71 Ml over Otero Canal built?

It was built in 1971, making it 54 years old in 2025.

What condition is SH 71 Ml over Otero Canal 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 January 2024.

How much traffic does SH 71 Ml over Otero Canal carry?

About 460 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is SH 71 Ml over Otero Canal?

The structure is 36 ft (11 m) long with a longest span of 33 ft (10 m) and a deck 43 ft wide.

Who owns SH 71 Ml over Otero Canal?

It is owned by the State Highway Agency.