Structure 210310C00804001 · Cameron County, TX

SB LN Inter Br over Rio Grande River

Carries SB LN Inter Br over Rio Grande River, 225 From Elizabeth ST.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructure8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT687 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 7/9 · sets the ratingSubstructure 8/9

687 ft end to end, longest span 108 ft: about 1.9 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 bridge of this kind.

Built196957 years old
Length687.0 ft209.4 m
Daily traffic6,900counted 2010
Last inspectedNovember 2023every 24 months

Location

StateTexas
CountyCameron
Location225 From Elizabeth ST
CarriesSB LN Inter Br
CrossesRio Grande River
Coordinates25.89894, -97.49744

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignOther
Total Length687.0 ft (209.4 m)
Max Span107.9 ft (32.9 m)
Deck Width36.1 ft (11 m)
Deck Area2303.4 sq m
Main Spans5
Year Built1969

Traffic

Avg Daily Traffic6,900 (2010)
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical8 — Stable, low risk
Structure Number210310C00804001

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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