Structure 4C 937 · Salt Lake County, UT

Sr-201 WB over Sr-68 Redwood Road

Carries Sr-201 WB over Sr-68 Redwood Road, Mp 15.90.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure8/9 · Very Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT178 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 8/9Substructure 7/9

178 ft end to end: about 2 semi-trucks nose to tail. 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.

Built200620 years old
Length177.8 ft54.2 m
Daily traffic94,085counted 2014
Last inspectedDecember 2024every 24 months

Location

StateUtah
CountySalt Lake
LocationMp 15.90
CarriesSr-201 WB
CrossesSr-68 Redwood Road
Coordinates40.72480, -111.93857

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length177.8 ft (54.2 m)
Max Span174.2 ft (53.1 m)
Deck Width43.0 ft (13.1 m)
Deck Area710.0 sq m
Main Spans1
Year Built2006

Traffic

Avg Daily Traffic94,085 (2014)
Truck Traffic21%
Lanes On Bridge2
Lanes Under Bridge6

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number4C 937

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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