US Bridges

Ui Cnty RD 217 over Blacks Fork River

Good

Uinta County, Wyoming · Millburne-Fort Bridger · Structure no. FKN

Built
1988
37 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
90 ft
1 main span
Daily traffic
73
2024 count
Owner
County
County Highway Agency

About this bridge

Ui Cnty RD 217 over Blacks Fork River is a prestressed concrete stringer/multi-beam or girder carrying Ui Cnty RD 217 over Blacks Fork River in Uinta County, Wyoming. It was built in 1988, so it is 37 years old, younger than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 73 vehicles a day, roughly 21% of them trucks, projected to reach 102 by 2043. The structure is 90 ft (27.4 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesUi Cnty RD 217
CrossesBlacks Fork River
LocationMillburne-Fort Bridger
RouteCounty Highway 217
StateWyoming
Coordinates41.30142, -110.39209
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating51 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span88 ft (26.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 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 closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ui Cnty RD 217 over Blacks Fork River built?

It was built in 1988, making it 37 years old in 2025.

What condition is Ui Cnty RD 217 over Blacks Fork River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Ui Cnty RD 217 over Blacks Fork River carry?

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

How long is Ui Cnty RD 217 over Blacks Fork River?

The structure is 90 ft (27.4 m) long with a longest span of 88 ft (26.8 m) and a deck 31 ft wide.

Who owns Ui Cnty RD 217 over Blacks Fork River?

It is owned by the County Highway Agency.