US Bridges

Water Treatment RD over I-80 (SR-80) EB and WB

Poor

Salt Lake County, Utah · Below Mt. Dell Reservoir · Structure no. 0C 562

Built
1973
52 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
236 ft
2 main spans
Daily traffic
25
2012 count
Owner
State
State Highway Agency

About this bridge

Water Treatment RD over I-80 (SR-80) EB and WB is a steel continuous stringer/multi-beam or girder carrying Water Treatment RD over I-80 (SR-80) EB and WB in Salt Lake County, Utah. It was built in 1973, so it is 52 years old, older than the Utah average of 40.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 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 25 vehicles a day, roughly 10% of them trucks, projected to reach 31 by 2032. The structure is 236 ft (72 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesWater Treatment RD
CrossesI-80 (SR-80) EB and WB
LocationBelow Mt. Dell Reservoir
RouteInterstate 80
StateUtah
Coordinates40.74372, -111.73112
Functional classUrban Principal Arterial - Interstate

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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.2 US tons
Inventory rating28.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length236 ft (72 m)
Longest span121 ft (36.9 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2012)
Projected traffic31 by 2032
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

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

Frequently asked questions

When was Water Treatment RD over I-80 (SR-80) EB and WB built?

It was built in 1973, making it 52 years old in 2025.

What condition is Water Treatment RD over I-80 (SR-80) EB and WB 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 Water Treatment RD over I-80 (SR-80) EB and WB carry?

About 25 vehicles per day (2012 count), of which roughly 10% are trucks.

How long is Water Treatment RD over I-80 (SR-80) EB and WB?

The structure is 236 ft (72 m) long with a longest span of 121 ft (36.9 m) and a deck 28 ft wide.

Who owns Water Treatment RD over I-80 (SR-80) EB and WB?

It is owned by the State Highway Agency.