Structure 13063C · Duchesne County, UT

County Road over Sand Creek

Carries County Road over Sand Creek, Red Creek Cyn.1 Mi.s.sr40.

Overall conditionFair

Set by its lowest-rated component: Deck at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructure7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT25 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 7/9

25 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.

Built1977rebuilt 2003
Length25.3 ft7.7 m
Daily traffic63counted 2014
Last inspectedJune 2024every 22 months

Location

StateUtah
CountyDuchesne
LocationRed Creek Cyn.1 Mi.s.sr40
CarriesCounty Road
CrossesSand Creek
Coordinates40.18917, -110.77084

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length25.3 ft (7.7 m)
Max Span23.6 ft (7.2 m)
Deck Width24.3 ft (7.4 m)
Deck Area57.0 sq m
Main Spans1
Year Built1977 (reconstructed 2003)

Traffic

Avg Daily Traffic63 (2014)
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 22 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical7 — Countermeasures installed
Structure Number013063C

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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