Structure 29436 · Latah County, ID

Quail Road over Hatter Creek

Carries Quail Road over Hatter Creek, 1.5 S. 0.3 E. Princeton.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT45 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 5/9 · sets the rating

45 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 tee-beam bridge.

Built199135 years old
Length44.9 ft13.7 m
Daily traffic30counted 2023
Last inspectedJune 2024every 24 months

Location

StateIdaho
CountyLatah
Location1.5 S. 0.3 E. Princeton
CarriesQuail Road
CrossesHatter Creek
Coordinates46.89209, -116.82861

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length44.9 ft (13.7 m)
Max Span43.0 ft (13.1 m)
Deck Width32.2 ft (9.8 m)
Deck Area134.3 sq m
Main Spans1
Year Built1991

Traffic

Avg Daily Traffic30 (2023)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerOther Local Agencies
Historical SignificanceHistorical significance is not determined
Scour Critical4 — Foundations need monitoring
Structure Number000000000029436

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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