US Bridges

LA Cnty RD 143-2 over Childs Creek

Good

Laramie County, Wyoming · Hillsdale Road - Childs · Structure no. KTM

Built
1998
27 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
39 ft
3 main spans
Daily traffic
282
2024 count
Owner
County
County Highway Agency

About this bridge

LA Cnty RD 143-2 over Childs Creek is a concrete culvert carrying LA Cnty RD 143-2 over Childs Creek in Laramie County, Wyoming. It was built in 1998, so it is 27 years old, younger than the Wyoming average of 48.4 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 282 vehicles a day, roughly 22% of them trucks, projected to reach 395 by 2043. The structure is 39 ft (12 m) long.

CarriesLA Cnty RD 143-2
CrossesChilds Creek
LocationHillsdale Road - Childs
RouteCounty Highway 143-2
StateWyoming
Coordinates41.21314, -104.46481
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length39 ft (12 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic282 (2024)
Projected traffic395 by 2043
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 LA Cnty RD 143-2 over Childs Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is LA Cnty RD 143-2 over Childs 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 December 2023.

How much traffic does LA Cnty RD 143-2 over Childs Creek carry?

About 282 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is LA Cnty RD 143-2 over Childs Creek?

The structure is 39 ft (12 m) long with a longest span of 12 ft (3.6 m).

Who owns LA Cnty RD 143-2 over Childs Creek?

It is owned by the County Highway Agency.