Structure 40904510116222 · Caddo County, LA

I0020 over Kings HWY & Portland AVE

Carries I0020 over Kings HWY & Portland AVE, .3 Mi East Of US 71.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure and Substructure at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT386 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

386 ft end to end, longest span 90 ft: about 5 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 box-beam bridge.

Built196561 years old
Length386.2 ft117.7 m
Daily traffic98,318counted 2021
Last inspectedMarch 2024every 24 months

Location

StateLouisiana
CountyCaddo
Location.3 Mi East Of US 71
CarriesI0020
CrossesKings HWY & Portland AVE
Coordinates32.48201, -93.77630

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length386.2 ft (117.7 m)
Max Span89.9 ft (27.4 m)
Deck Width65.6 ft (20 m)
Deck Area2,354 sq m
Main Spans6
Year Built1965

Traffic

Avg Daily Traffic98,318 (2021)
Truck Traffic19%
Lanes On Bridge4
Lanes Under Bridge6

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number040904510116222

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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