Structure 222400001806177 · Webb County, TX

Lp20 EB To Ih35 NB over IH 35

Carries Lp20 EB To Ih35 NB over IH 35, @ Jct IH 35 & Lp 20.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
4,201 FT OVERALL500 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 6/9 · sets the rating

4,201 ft end to end, longest span 242 ft: about 12 football fields. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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.

Built200125 years old
Length4201.1 ft1280.5 m
Daily traffic5,838counted 2023
Last inspectedOctober 2024every 24 months

Location

StateTexas
CountyWebb
Location@ Jct IH 35 & Lp 20
CarriesLp20 EB To Ih35 NB
CrossesIH 35
Coordinates27.60666, -99.50216

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length4201.1 ft (1280.5 m)
Max Span242.1 ft (73.8 m)
Deck Width27.9 ft (8.5 m)
Deck Area10884.2 sq m
Main Spans9
Year Built2001

Traffic

Avg Daily Traffic5,838 (2023)
Truck Traffic20%
Lanes On Bridge1
Lanes Under Bridge13

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number222400001806177

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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