US Bridges

SB Cnty RD 150 over Apex Ditch

Fair

Sublette County, Wyoming · 7 Mi. N.W. of Daniel JCT · Structure no. FLT

Built
1989
36 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
60
2024 count
Owner
County
County Highway Agency

About this bridge

SB Cnty RD 150 over Apex Ditch is a steel stringer/multi-beam or girder carrying SB Cnty RD 150 over Apex Ditch in Sublette County, Wyoming. It was built in 1989, so it is 36 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 60 vehicles a day, roughly 25% of them trucks, projected to reach 84 by 2043. The structure is 31 ft (9.4 m) long and 25 ft wide.

CarriesSB Cnty RD 150
CrossesApex Ditch
Location7 Mi. N.W. of Daniel JCT
RouteCounty Highway 150
StateWyoming
Coordinates42.99264, -110.11599
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating79 US tons
Inventory rating57 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width25 ft (7.6 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2024)
Projected traffic84 by 2043
Trucks25%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$37,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SB Cnty RD 150 over Apex Ditch built?

It was built in 1989, making it 36 years old in 2025.

What condition is SB Cnty RD 150 over Apex Ditch 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 July 2024.

How much traffic does SB Cnty RD 150 over Apex Ditch carry?

About 60 vehicles per day (2024 count), of which roughly 25% are trucks.

How long is SB Cnty RD 150 over Apex Ditch?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 25 ft wide.

Who owns SB Cnty RD 150 over Apex Ditch?

It is owned by the County Highway Agency.