US Bridges

Ui Cnty RD 105 over Bear River

Fair

Uinta County, Wyoming · 5 Mo N of Evanston · Structure no. FKM

Built
1987
38 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
93 ft
1 main span
Daily traffic
343
2024 count
Owner
County
County Highway Agency

About this bridge

Ui Cnty RD 105 over Bear River is a prestressed concrete stringer/multi-beam or girder carrying Ui Cnty RD 105 over Bear River in Uinta County, Wyoming. It was built in 1987, so it is 38 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 343 vehicles a day, roughly 4% of them trucks, projected to reach 480 by 2043. The structure is 93 ft (28.3 m) long and 31 ft wide.

CarriesUi Cnty RD 105
CrossesBear River
Location5 Mo N of Evanston
RouteCounty Highway 105
StateWyoming
Coordinates41.3146, -111.01096
Functional classRural Minor Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span90 ft (27.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic343 (2024)
Projected traffic480 by 2043
Trucks4%
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$5,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ui Cnty RD 105 over Bear River built?

It was built in 1987, making it 38 years old in 2025.

What condition is Ui Cnty RD 105 over Bear River 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 Ui Cnty RD 105 over Bear River carry?

About 343 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Ui Cnty RD 105 over Bear River?

The structure is 93 ft (28.3 m) long with a longest span of 90 ft (27.4 m) and a deck 31 ft wide.

Who owns Ui Cnty RD 105 over Bear River?

It is owned by the County Highway Agency.