US Bridges

Ui Cnty RD 233 over Unnamed Draw

Poor

Uinta County, Wyoming · 12 Miles N.E. of Lyman · Structure no. FRP

Built
1960
65 years old, rebuilt 1992
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
42
2024 count
Owner
County
County Highway Agency

About this bridge

Ui Cnty RD 233 over Unnamed Draw is a steel stringer/multi-beam or girder carrying Ui Cnty RD 233 over Unnamed Draw in Uinta County, Wyoming. It was built in 1960 and reconstructed in 1992, so it is 65 years old, older than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 42 vehicles a day, roughly 14% of them trucks, projected to reach 59 by 2043. The structure is 25 ft (7.6 m) long and 24 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesUi Cnty RD 233
CrossesUnnamed Draw
Location12 Miles N.E. of Lyman
RouteCounty Highway 233
StateWyoming
Coordinates41.47623, -110.15862
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating42 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42 (2024)
Projected traffic59 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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$38,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ui Cnty RD 233 over Unnamed Draw built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1992.

What condition is Ui Cnty RD 233 over Unnamed Draw in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Ui Cnty RD 233 over Unnamed Draw carry?

About 42 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is Ui Cnty RD 233 over Unnamed Draw?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 24 ft wide.

Who owns Ui Cnty RD 233 over Unnamed Draw?

It is owned by the County Highway Agency.