Structure 210310003916386 · Cameron County, TX

US 77 NB over FM 802

Carries US 77 NB over FM 802, 2.10 Mi NW Of SH 48.

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 FT271 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

271 ft end to end: about 4 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 multi-beam bridge.

Built200521 years old
Length271.0 ft82.6 m
Daily traffic32,120counted 2011
Last inspectedMarch 2023every 48 months

Location

StateTexas
CountyCameron
Location2.10 Mi NW Of SH 48
CarriesUS 77 NB
CrossesFM 802
Coordinates25.94937, -97.50487

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length271.0 ft (82.6 m)
Max Span131.9 ft (40.2 m)
Deck Width71.9 ft (21.9 m)
Deck Area1808.9 sq m
Main Spans1
Year Built2005

Traffic

Avg Daily Traffic32,120 (2011)
Truck Traffic8%
Lanes On Bridge4
Lanes Under Bridge10

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number210310003916386

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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