Structure 161780037301033 · Nueces County, TX

US 77 NB over CR 48

Carries US 77 NB over CR 48, 1.8 Mi S Of FM 624.

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 FT320 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

320 ft end to end, longest span 120 ft: 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.

Built200620 years old
Length319.9 ft97.5 m
Daily traffic10,222counted 2020
Last inspectedMay 2022every 48 months

Location

StateTexas
CountyNueces
Location1.8 Mi S Of FM 624
CarriesUS 77 NB
CrossesCR 48
Coordinates27.83055, -97.63476

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length319.9 ft (97.5 m)
Max Span120.1 ft (36.6 m)
Deck Width40.0 ft (12.2 m)
Deck Area1189.5 sq m
Main Spans3
Year Built2006

Traffic

Avg Daily Traffic10,222 (2020)
Truck Traffic46%
Lanes On Bridge2
Lanes Under Bridge4

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 Number161780037301033

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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