Structure 161370010204021 · Kleberg County, TX

US 77 SB over Arana Creek

Carries US 77 SB over Arana Creek, 1.9 Mi N Of SH 285.

Overall conditionFair

Set by its lowest-rated component: Superstructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT72 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 7/9

72 ft end to end, longest span 18 ft. Lengths and the car 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 slab bridge.

Built1922rebuilt 1953
Length71.9 ft21.9 m
Daily traffic8,391counted 2020
Last inspectedJune 2024every 24 months

Location

StateTexas
CountyKleberg
Location1.9 Mi N Of SH 285
CarriesUS 77 SB
CrossesArana Creek
Coordinates27.32670, -97.82354

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length71.9 ft (21.9 m)
Max Span18.0 ft (5.5 m)
Deck Width42.7 ft (13 m)
Deck Area284.7 sq m
Main Spans4
Year Built1922 (reconstructed 1953)

Traffic

Avg Daily Traffic8,391 (2020)
Truck Traffic26%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical8 — Stable, low risk
Structure Number161370010204021

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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