US Bridges

Bh Cnty RD L23 over Whistle Creek

GoodPosted for load

Big Horn County, Wyoming · 15 MI SW of Lovell · Structure no. LUZ

Built
2005
20 years old
Condition
Good
inspected January 2024
Type
Tee Beam
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
119
2024 count
Owner
County
County Highway Agency

About this bridge

Bh Cnty RD L23 over Whistle Creek is a prestressed concrete tee beam carrying Bh Cnty RD L23 over Whistle Creek in Big Horn County, Wyoming. It was built in 2005, so it is 20 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. Its operating status is: posted for load restriction.

It carries about 119 vehicles a day, roughly 13% of them trucks, projected to reach 167 by 2043. The structure is 35 ft (10.7 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBh Cnty RD L23
CrossesWhistle Creek
Location15 MI SW of Lovell
RouteCounty Highway 0L23
StateWyoming
Coordinates44.66578, -108.56903
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating77.1 US tons
Inventory rating46 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length35 ft (10.7 m)
Longest span33 ft (10.1 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic119 (2024)
Projected traffic167 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Bh Cnty RD L23 over Whistle Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Bh Cnty RD L23 over Whistle 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 January 2024.

How much traffic does Bh Cnty RD L23 over Whistle Creek carry?

About 119 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is Bh Cnty RD L23 over Whistle Creek?

The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10.1 m) and a deck 29 ft wide.

Who owns Bh Cnty RD L23 over Whistle Creek?

It is owned by the County Highway Agency.