Structure 161780037310045 · Nueces County, TX

US 77 NB over Uprr & Bu 77 NB

Carries US 77 NB over Uprr & Bu 77 NB, 2.6 Mi N Of SH 44.

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 FT1,417 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

1,417 ft end to end, longest span 110 ft: about 3.9 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.

Built199927 years old
Length1417.0 ft431.9 m
Daily traffic9,830counted 2020
Last inspectedMay 2022every 48 months

Location

StateTexas
CountyNueces
Location2.6 Mi N Of SH 44
CarriesUS 77 NB
CrossesUprr & Bu 77 NB
Coordinates27.81874, -97.63703

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length1417.0 ft (431.9 m)
Max Span109.9 ft (33.5 m)
Deck Width40.0 ft (12.2 m)
Deck Area5269.2 sq m
Main Spans11
Year Built1999

Traffic

Avg Daily Traffic9,830 (2020)
Truck Traffic37%
Lanes On Bridge2
Lanes Under Bridge5

Inspection & Ownership

Last InspectionMay 2022
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number161780037310045

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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