US Bridges

US 16 over Big Horn Canal

Fair

Big Horn County, Wyoming · Worland - Basin · Structure no. BSL

Built
1957
68 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
74 ft
3 main spans
Daily traffic
2,139
2024 count
Owner
State
State Highway Agency

About this bridge

US 16 over Big Horn Canal is a concrete continuous slab carrying US 16 over Big Horn Canal in Big Horn County, Wyoming. It was built in 1957, so it is 68 years old, older 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 5 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 2,139 vehicles a day, roughly 13% of them trucks, projected to reach 2,995 by 2043. The structure is 74 ft (22.6 m) long and 43 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesUS 16
CrossesBig Horn Canal
LocationWorland - Basin
RouteU.S. Route 16
CountyBig Horn County
StateWyoming
Coordinates44.27519, -108.03222
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating28 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length74 ft (22.6 m)
Longest span28 ft (8.4 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,139 (2024)
Projected traffic2,995 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 16 over Big Horn Canal built?

It was built in 1957, making it 68 years old in 2025.

What condition is US 16 over Big Horn Canal 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 January 2024.

How much traffic does US 16 over Big Horn Canal carry?

About 2,139 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is US 16 over Big Horn Canal?

The structure is 74 ft (22.6 m) long with a longest span of 28 ft (8.4 m) and a deck 43 ft wide.

Who owns US 16 over Big Horn Canal?

It is owned by the State Highway Agency.