Structure 4C 841 · Salt Lake County, UT

I15 I80 Rps-sr201w over 700 West St. & Uprr

Carries I15 I80 Rps-sr201w over 700 West St. & Uprr, I15 I80 Sr201 Int.@2400 S.

Overall conditionFair

Set by its lowest-rated component: Deck and Substructure at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT918 FT OVERALL200 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 6/9 · sets the rating

918 ft end to end, longest span 234 ft: about 2.5 football fields. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built200026 years old
Length917.7 ft279.7 m
Daily traffic9,630counted 2014
Last inspectedJune 2024every 26 months

Location

StateUtah
CountySalt Lake
LocationI15 I80 Sr201 Int.@2400 S
CarriesI15 I80 Rps-sr201w
Crosses700 West St. & Uprr
Coordinates40.72394, -111.90662

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length917.7 ft (279.7 m)
Max Span233.9 ft (71.3 m)
Deck Width65.6 ft (20 m)
Deck Area5,594 sq m
Main Spans6
Year Built2000

Traffic

Avg Daily Traffic9,630 (2014)
Truck Traffic21%
Lanes On Bridge3
Lanes Under Bridge4

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 26 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number4C 841

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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