US Bridges

County Road N over Crooked Arroyo Tributary

Good

Otero County, Colorado · Just E of of CR 21.75 · Structure no. OT-N-21-12-214A

Built
2001
24 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
45 ft
1 main span
Daily traffic
12
2022 count
Owner
County
County Highway Agency

About this bridge

County Road N over Crooked Arroyo Tributary is a steel stringer/multi-beam or girder carrying County Road N over Crooked Arroyo Tributary in Otero County, Colorado. It was built in 2001, so it is 24 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 12 vehicles a day, projected to reach 14 by 2042. The structure is 45 ft (13.7 m) long and 26 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesCounty Road N
CrossesCrooked Arroyo Tributary
LocationJust E of of CR 21.75
RouteCounty Highway 0
Coordinates37.82283, -103.6788
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.1 US tons
Inventory rating24 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span33 ft (10.1 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12 (2022)
Projected traffic14 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 County Road N over Crooked Arroyo Tributary built?

It was built in 2001, making it 24 years old in 2025.

What condition is County Road N over Crooked Arroyo Tributary 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 November 2023.

How much traffic does County Road N over Crooked Arroyo Tributary carry?

About 12 vehicles per day (2022 count).

How long is County Road N over Crooked Arroyo Tributary?

The structure is 45 ft (13.7 m) long with a longest span of 33 ft (10.1 m) and a deck 26 ft wide.

Who owns County Road N over Crooked Arroyo Tributary?

It is owned by the County Highway Agency.