US Bridges

County RD 45.4 over Navricio Creek

Good

Las Animas County, Colorado · 0.1 MI S CR 54.2 · Structure no. LA454-24-27-22A

Built
1990
35 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
19
2022 count
Owner
County
County Highway Agency

About this bridge

County RD 45.4 over Navricio Creek is a steel stringer/multi-beam or girder carrying County RD 45.4 over Navricio Creek in Las Animas County, Colorado. It was built in 1990, so it is 35 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 19 vehicles a day, projected to reach 23 by 2042. The structure is 40 ft (12.2 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesCounty RD 45.4
CrossesNavricio Creek
Location0.1 MI S CR 54.2
RouteCounty Highway 0
CountyLas Animas County
StateColorado
Coordinates37.37359, -104.72727
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.8 US tons
Inventory rating38.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19 (2022)
Projected traffic23 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 RD 45.4 over Navricio Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is County RD 45.4 over Navricio Creek 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 May 2023.

How much traffic does County RD 45.4 over Navricio Creek carry?

About 19 vehicles per day (2022 count).

How long is County RD 45.4 over Navricio Creek?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 30 ft wide.

Who owns County RD 45.4 over Navricio Creek?

It is owned by the County Highway Agency.