US Bridges

Ui Cnty RD 218 over Blacks Fork Canal

Poor

Uinta County, Wyoming · 2 Mi. NW of Mountain View · Structure no. FIF

Built
1986
39 years old
Condition
Poor
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
32 ft
2 main spans
Daily traffic
73
2024 count
Owner
County
County Highway Agency

About this bridge

Ui Cnty RD 218 over Blacks Fork Canal is a steel continuous stringer/multi-beam or girder carrying Ui Cnty RD 218 over Blacks Fork Canal in Uinta County, Wyoming. It was built in 1986, so it is 39 years old, younger 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 73 vehicles a day, roughly 21% of them trucks, projected to reach 102 by 2043. The structure is 32 ft (9.8 m) long and 24 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesUi Cnty RD 218
CrossesBlacks Fork Canal
Location2 Mi. NW of Mountain View
RouteCounty Highway 218
CountyUinta County
StateWyoming
Coordinates41.28694, -110.37466
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
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating28.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckCorrugated steel
Main spans2
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span16 ft (4.9 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73 (2024)
Projected traffic102 by 2043
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$41,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ui Cnty RD 218 over Blacks Fork Canal built?

It was built in 1986, making it 39 years old in 2025.

What condition is Ui Cnty RD 218 over Blacks Fork Canal 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 November 2023.

How much traffic does Ui Cnty RD 218 over Blacks Fork Canal carry?

About 73 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is Ui Cnty RD 218 over Blacks Fork Canal?

The structure is 32 ft (9.8 m) long with a longest span of 16 ft (4.9 m) and a deck 24 ft wide.

Who owns Ui Cnty RD 218 over Blacks Fork Canal?

It is owned by the County Highway Agency.