US Bridges

LA Cnty RD 123-2 over South Fork Bear Creek

Fair

Laramie County, Wyoming · Arrx 29 MI N. of Cheyenne · Structure no. FRH

Built
1991
34 years old
Condition
Fair
inspected December 2024
Type
Culvert
Steel
Length
70 ft
8 main spans
Daily traffic
284
2024 count
Owner
County
County Highway Agency

About this bridge

LA Cnty RD 123-2 over South Fork Bear Creek is a steel culvert carrying LA Cnty RD 123-2 over South Fork Bear Creek in Laramie County, Wyoming. It was built in 1991, so it is 34 years old, younger than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 284 vehicles a day, roughly 20% of them trucks, projected to reach 398 by 2043. The structure is 70 ft (21.2 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesLA Cnty RD 123-2
CrossesSouth Fork Bear Creek
LocationArrx 29 MI N. of Cheyenne
RouteCounty Highway 123-2
StateWyoming
Coordinates41.57548, -104.84842
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans8
Design loadHS 20
Structure length70 ft (21.2 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic284 (2024)
Projected traffic398 by 2043
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$50,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA Cnty RD 123-2 over South Fork Bear Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is LA Cnty RD 123-2 over South Fork Bear Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.

How much traffic does LA Cnty RD 123-2 over South Fork Bear Creek carry?

About 284 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is LA Cnty RD 123-2 over South Fork Bear Creek?

The structure is 70 ft (21.2 m) long with a longest span of 6 ft (1.8 m).

Who owns LA Cnty RD 123-2 over South Fork Bear Creek?

It is owned by the County Highway Agency.