Structure 40804513109757 · Bossier County, LA

I0220 over Ramp I-220(5B)-I-20(EB)

Carries I0220 over Ramp I-220(5B)-I-20(EB), 0.9 Mi S Of US 79.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT416 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

416 ft end to end, longest span 192 ft: about 6 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 girder bridge.

Built197947 years old
Length416.0 ft126.8 m
Daily traffic23,106counted 2021
Last inspectedNovember 2024every 24 months

Location

StateLouisiana
CountyBossier
Location0.9 Mi S Of US 79
CarriesI0220
CrossesRamp I-220(5B)-I-20(EB)
Coordinates32.53973, -93.63220

Physical Characteristics

MaterialSteel Continuous
DesignGirder and Floorbeam
Total Length416.0 ft (126.8 m)
Max Span191.9 ft (58.5 m)
Deck Width28.2 ft (8.6 m)
Deck Area1090.5 sq m
Main Spans4
Year Built1979

Traffic

Avg Daily Traffic23,106 (2021)
Truck Traffic19%
Lanes On Bridge1
Lanes Under Bridge4

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number040804513109757

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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