Structure 41904000001048 · Summit County, UT

Road 80073 over Blacks Fork River

Carries Road 80073 over Blacks Fork River, 19 Mi E. Of U-150 On 058.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT73 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

73 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.

Built1976rebuilt 2000
Length73.2 ft22.3 m
Daily traffic501 lanes
Last inspectedAugust 2023every 24 months

Location

StateUtah
CountySummit
Location19 Mi E. Of U-150 On 058
CarriesRoad 80073
CrossesBlacks Fork River
Coordinates40.95895, -110.57963

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length73.2 ft (22.3 m)
Max Span73.2 ft (22.3 m)
Deck Width18.0 ft (5.5 m)
Deck Area122.7 sq m
Main Spans1
Year Built1976 (reconstructed 2000)

Traffic

Avg Daily Traffic50
Lanes On Bridge1

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerU.S. Forest Service
Historical SignificanceHistorical significance is not determined
Scour Critical5 — Stable for scour
Structure Number041904000001048

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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