Structure 47029F · Uintah County, UT

County Road over Duchesne River

Carries County Road over Duchesne River, So. Of Fort Duchesne.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT132 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

132 ft end to end. 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
Length132.2 ft40.3 m
Daily traffic378counted 2010
Last inspectedApril 2024every 24 months

Location

StateUtah
CountyUintah
LocationSo. Of Fort Duchesne
CarriesCounty Road
CrossesDuchesne River
Coordinates40.20668, -109.85902

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length132.2 ft (40.3 m)
Max Span129.9 ft (39.6 m)
Deck Width35.1 ft (10.7 m)
Deck Area431.2 sq m
Main Spans1
Year Built2006

Traffic

Avg Daily Traffic378 (2010)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical7 — Countermeasures installed
Structure Number047029F

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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