Structure 161780032601040 · Nueces County, TX

SH 286 Nbfr over Oso Creek

Carries SH 286 Nbfr over Oso Creek, 1.25 Mi S Of SH 357.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT340 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

340 ft end to end, longest span 40 ft: about 5 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 bridge of this kind.

Built198838 years old
Length339.9 ft103.6 m
Daily traffic24,633counted 2023
Last inspectedJune 2024every 24 months

Location

StateTexas
CountyNueces
Location1.25 Mi S Of SH 357
CarriesSH 286 Nbfr
CrossesOso Creek
Coordinates27.69735, -97.45099

Physical Characteristics

MaterialPrestressed Concrete
DesignOther
Total Length339.9 ft (103.6 m)
Max Span40.0 ft (12.2 m)
Deck Width45.9 ft (14 m)
Deck Area1450.4 sq m
Main Spans9
Year Built1988

Traffic

Avg Daily Traffic24,633 (2023)
Truck Traffic4%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number161780032601040

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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