Structure 3C1073 · Davis County, UT

Sr-177 over Sr-67 Uprr Uta

Carries Sr-177 over Sr-67 Uprr Uta, Sr-177 West Davis.

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
SEMI-TRUCK · 72 FT1,427 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

1,427 ft end to end, longest span 336 ft: about 4.0 football fields. 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.

Built20242 years old
Length1426.5 ft434.8 m
Daily traffic15,250counted 2023
Last inspectedJanuary 2024every 17 months

Location

StateUtah
CountyDavis
LocationSr-177 West Davis
CarriesSr-177
CrossesSr-67 Uprr Uta
Coordinates40.95750, -111.89306

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length1426.5 ft (434.8 m)
Max Span335.6 ft (102.3 m)
Deck Width43.0 ft (13.1 m)
Deck Area5695.9 sq m
Main Spans6
Year Built2024

Traffic

Avg Daily Traffic15,250 (2023)
Truck Traffic1%
Lanes On Bridge2
Lanes Under Bridge5

Inspection & Ownership

Last InspectionJanuary 2024
Inspection FrequencyEvery 17 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalUnknown
Structure Number3C1073

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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