US Bridges

County Road 24.5 over Arkansas River

Good

Otero County, Colorado · 0.9 MI N of Swink · Structure no. OT245-2426-138A

Built
1986
39 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
312 ft
3 main spans
Daily traffic
723
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 24.5 over Arkansas River is a prestressed concrete continuous stringer/multi-beam or girder carrying County Road 24.5 over Arkansas River in Otero County, Colorado. It was built in 1986, so it is 39 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 723 vehicles a day, roughly 2% of them trucks, projected to reach 817 by 2042. The structure is 312 ft (95 m) long and 36 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

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CarriesCounty Road 24.5
CrossesArkansas River
Location0.9 MI N of Swink
RouteCounty Highway 0
CountyOtero County
StateColorado
Coordinates38.02678, -103.62822
Functional classRural Minor 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating85.6 US tons
Inventory rating40.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length312 ft (95 m)
Longest span99 ft (30.3 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic723 (2022)
Projected traffic817 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 24.5 over Arkansas River built?

It was built in 1986, making it 39 years old in 2025.

What condition is County Road 24.5 over Arkansas River 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 24.5 over Arkansas River carry?

About 723 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road 24.5 over Arkansas River?

The structure is 312 ft (95 m) long with a longest span of 99 ft (30.3 m) and a deck 36 ft wide.

Who owns County Road 24.5 over Arkansas River?

It is owned by the County Highway Agency.