Structure 13030C · Duchesne County, UT

County Road over B.i.a. Canal

Carries County Road over B.i.a. Canal, 2 Miles Nw. Of Neola.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
25 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 5/9

25 ft end to end. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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.

Built1945rebuilt 1986
Length24.6 ft7.5 m
Daily traffic66counted 2010
Last inspectedApril 2024every 24 months

Location

StateUtah
CountyDuchesne
Location2 Miles Nw. Of Neola
CarriesCounty Road
CrossesB.i.a. Canal
Coordinates40.46192, -110.04825

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length24.6 ft (7.5 m)
Max Span23.3 ft (7.1 m)
Deck Width24.0 ft (7.3 m)
Deck Area54.8 sq m
Main Spans1
Year Built1945 (reconstructed 1986)

Traffic

Avg Daily Traffic66 (2010)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical5 — Stable for scour
Structure Number013030C

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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