Structure 37800 · Kootenai County, ID

I 90 Ebl over I 90 EB Off Ramp

Carries I 90 Ebl over I 90 EB Off Ramp, Post Falls Ecl.

Overall conditionGood

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

How ratings work
Decksets the rating9/9 · Excellent
Superstructuresets the rating9/9 · Excellent
Substructuresets the rating9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT159 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 9/9Superstructure 9/9Substructure 9/9

159 ft end to end: about 2 semi-trucks nose to tail. 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.

Built20233 years old
Length159.1 ft48.5 m
Daily traffic32,500counted 2023
Last inspectedOctober 2024every 24 months

Location

StateIdaho
CountyKootenai
LocationPost Falls Ecl
CarriesI 90 Ebl
CrossesI 90 EB Off Ramp
Coordinates47.71139, -116.89911

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length159.1 ft (48.5 m)
Max Span154.9 ft (47.2 m)
Deck Width63.0 ft (19.2 m)
Deck Area931.2 sq m
Main Spans1
Year Built2023

Traffic

Avg Daily Traffic32,500 (2023)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number000000000037800

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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