Structure 5002D · Cache County, UT

Logan City Street over Logan River

Carries Logan City Street over Logan River, 1550 So. Park AVE Logan.

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 overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT60 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

60 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 rigid-frame bridge.

Built195373 years old
Length59.7 ft18.2 m
Daily traffic2,000counted 2014
Last inspectedOctober 2024every 19 months

Location

StateUtah
CountyCache
Location1550 So. Park AVE Logan
CarriesLogan City Street
CrossesLogan River
Coordinates41.70622, -111.85310

Physical Characteristics

MaterialConcrete
DesignFrame
Total Length59.7 ft (18.2 m)
Max Span55.1 ft (16.8 m)
Deck Width30.2 ft (9.2 m)
Deck Area167.4 sq m
Main Spans1
Year Built1953

Traffic

Avg Daily Traffic2,000 (2014)
Truck Traffic20%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 19 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure Number005002D

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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