Structure 222400B00250001 · Webb County, TX

Convent Avenue over Rio Grande River

Carries Convent Avenue over Rio Grande River, .30 Mi S Of Border Sta..

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
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,050 FT OVERALL200 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 6/9 · sets the rating

1,050 ft end to end, longest span 150 ft: about 2.9 football fields. 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.

Built195670 years old
Length1049.9 ft320 m
Daily traffic62counted 2023
Last inspectedOctober 2023every 24 months

Location

StateTexas
CountyWebb
Location.30 Mi S Of Border Sta.
CarriesConvent Avenue
CrossesRio Grande River
Coordinates27.50112, -99.50762

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length1049.9 ft (320 m)
Max Span149.9 ft (45.7 m)
Deck Width60.0 ft (18.3 m)
Deck Area5,856 sq m
Main Spans7
Year Built1956

Traffic

Avg Daily Traffic62 (2023)
Lanes On Bridge4

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is eligible for the National Register
Scour Critical6 — Scour calculated, stable
Structure Number222400B00250001

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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