US Bridges

SR-201 Wbl over Kennecott Railroad Spur

Fair

Salt Lake County, Utah · Near Kcc Arthur Mill · Structure no. 4C 371

Built
2014
11 years old
Condition
Fair
inspected November 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
92 ft
1 main span
Daily traffic
22,579
2023 count
Owner
State
State Highway Agency

About this bridge

SR-201 Wbl over Kennecott Railroad Spur is a steel stringer/multi-beam or girder carrying SR-201 Wbl over Kennecott Railroad Spur in Salt Lake County, Utah. It was built in 2014, so it is 11 years old, younger than the Utah average of 40.1 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 22,579 vehicles a day, roughly 29% of them trucks, projected to reach 27,095 by 2043. The structure is 92 ft (28.1 m) long and 37 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSR-201 Wbl
CrossesKennecott Railroad Spur
LocationNear Kcc Arthur Mill
RouteState Highway 201
CountySalt Lake County
StateUtah
Coordinates40.72146, -112.15354
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.9 US tons
Inventory rating38.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length92 ft (28.1 m)
Longest span86 ft (26.2 m)
Deck width37 ft (11.4 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,579 (2023)
Projected traffic27,095 by 2043
Trucks29%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR-201 Wbl over Kennecott Railroad Spur built?

It was built in 2014, making it 11 years old in 2025.

What condition is SR-201 Wbl over Kennecott Railroad Spur 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 November 2022.

How much traffic does SR-201 Wbl over Kennecott Railroad Spur carry?

About 22,579 vehicles per day (2023 count), of which roughly 29% are trucks.

How long is SR-201 Wbl over Kennecott Railroad Spur?

The structure is 92 ft (28.1 m) long with a longest span of 86 ft (26.2 m) and a deck 37 ft wide.

Who owns SR-201 Wbl over Kennecott Railroad Spur?

It is owned by the State Highway Agency.