US Bridges

County Road JJ.5 over Smith Arroyo

Good

Otero County, Colorado · .8 MI S of SH 50 · Structure no. OT10-9-31.5-26A

Built
2003
22 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
1 main span
Daily traffic
135
2022 count
Owner
County
County Highway Agency

About this bridge

County Road JJ.5 over Smith Arroyo is a prestressed concrete stringer/multi-beam or girder carrying County Road JJ.5 over Smith Arroyo in Otero County, Colorado. It was built in 2003, so it is 22 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 135 vehicles a day, roughly 2% of them trucks, projected to reach 153 by 2042. The structure is 120 ft (36.6 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road JJ.5
CrossesSmith Arroyo
Location.8 MI S of SH 50
RouteCounty Highway 0
Coordinates38.10539, -103.8943
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating48.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length120 ft (36.6 m)
Longest span116 ft (35.4 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic135 (2022)
Projected traffic153 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 JJ.5 over Smith Arroyo built?

It was built in 2003, making it 22 years old in 2025.

What condition is County Road JJ.5 over Smith 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 November 2023.

How much traffic does County Road JJ.5 over Smith Arroyo carry?

About 135 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road JJ.5 over Smith Arroyo?

The structure is 120 ft (36.6 m) long with a longest span of 116 ft (35.4 m) and a deck 33 ft wide.

Who owns County Road JJ.5 over Smith Arroyo?

It is owned by the County Highway Agency.