US Bridges

Bh Cnty RD R4 over Sidon Canal

Fair

Big Horn County, Wyoming · 3 Miles East of Deaver · Structure no. FLJ

Built
1950
75 years old
Condition
Fair
inspected January 2024
Type
Culvert
Steel
Length
21 ft
1 main span
Daily traffic
119
2024 count
Owner
County
County Highway Agency

About this bridge

Bh Cnty RD R4 over Sidon Canal is a steel culvert carrying Bh Cnty RD R4 over Sidon Canal in Big Horn County, Wyoming. It was built in 1950, so it is 75 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 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 119 vehicles a day, roughly 13% of them trucks, projected to reach 167 by 2043. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesBh Cnty RD R4
CrossesSidon Canal
Location3 Miles East of Deaver
RouteCounty Highway 0R4
CountyBig Horn County
StateWyoming
Coordinates44.88948, -108.54431
Functional classRural Local

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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.9 US tons
Inventory rating34.2 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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 closed3.1 mi (5 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$55,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Bh Cnty RD R4 over Sidon Canal built?

It was built in 1950, making it 75 years old in 2025.

What condition is Bh Cnty RD R4 over Sidon 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 Bh Cnty RD R4 over Sidon Canal carry?

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

How long is Bh Cnty RD R4 over Sidon Canal?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m).

Who owns Bh Cnty RD R4 over Sidon Canal?

It is owned by the County Highway Agency.