Structure 35028D · Salt Lake County, UT

4100 South Street over Utah And Salt Lake Can

Carries 4100 South Street over Utah And Salt Lake Can, 5650 W. 4100 S. W.valley.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT30 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

30 ft end to end. Lengths and the car 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 rigid-frame bridge.

Built196066 years old
Length30.2 ft9.2 m
Daily traffic23,846counted 2010
Last inspectedFebruary 2024every 24 months

Location

StateUtah
CountySalt Lake
Location5650 W. 4100 S. W.valley
Carries4100 South Street
CrossesUtah And Salt Lake Can
Coordinates40.68207, -112.02658

Physical Characteristics

MaterialConcrete
DesignFrame
Total Length30.2 ft (9.2 m)
Max Span28.2 ft (8.6 m)
Deck Width136.2 ft (41.5 m)
Deck Area381.8 sq m
Main Spans1
Year Built1960

Traffic

Avg Daily Traffic23,846 (2010)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number035028D

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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