Structure F 591 · Uintah County, UT

Sr-121 over 0flow Chan.uintah R

Carries Sr-121 over 0flow Chan.uintah R, 8.4 Miles East Of Neola.

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 overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT86 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 6/9 · sets the rating

86 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 multi-beam bridge.

Built199828 years old
Length85.6 ft26.1 m
Daily traffic970counted 2021
Last inspectedJuly 2023every 24 months

Location

StateUtah
CountyUintah
Location8.4 Miles East Of Neola
CarriesSr-121
Crosses0flow Chan.uintah R
Coordinates40.40361, -109.89722

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length85.6 ft (26.1 m)
Max Span83.0 ft (25.3 m)
Deck Width42.7 ft (13 m)
Deck Area339.3 sq m
Main Spans1
Year Built1998

Traffic

Avg Daily Traffic970 (2021)
Truck Traffic34%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical4 — Foundations need monitoring
Structure Number0F 591

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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