US Bridges

County RD 43.7 over Navricio Creek

Good

Las Animas County, Colorado · 3.7 MI SW of Aguilar · Structure no. LA437-25-26-23A

Built
1994
31 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
100 ft
1 main span
Daily traffic
177
2022 count
Owner
County
County Highway Agency

About this bridge

County RD 43.7 over Navricio Creek is a prestressed concrete stringer/multi-beam or girder carrying County RD 43.7 over Navricio Creek in Las Animas County, Colorado. It was built in 1994, so it is 31 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 177 vehicles a day, roughly 2% of them trucks, projected to reach 218 by 2042. The structure is 100 ft (30.5 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCounty RD 43.7
CrossesNavricio Creek
Location3.7 MI SW of Aguilar
RouteCounty Highway 0
Coordinates37.36922, -104.69361
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 48 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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating94.1 US tons
Inventory rating46.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span93 ft (28.4 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic177 (2022)
Projected traffic218 by 2042
Trucks2%
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 43.7 over Navricio Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is County RD 43.7 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 43.7 over Navricio Creek carry?

About 177 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County RD 43.7 over Navricio Creek?

The structure is 100 ft (30.5 m) long with a longest span of 93 ft (28.4 m) and a deck 32 ft wide.

Who owns County RD 43.7 over Navricio Creek?

It is owned by the County Highway Agency.