Structure 150150M09923008 · Bexar County, TX

N Graytown RD over Draw

Carries N Graytown RD over Draw, 0.04 Mi E Of Lp 1607.

Overall conditionGood

Set by its lowest-rated component: Culvert at 7 of 9.

How ratings work
Culvertsets 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 FT212 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 212 ft across with 20 openings: about 3 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, so those are drawn as typical for a culvert.

Built20188 years old
Length212.3 ft64.7 m
Daily traffic1,628counted 2022
Last inspectedJanuary 2024every 24 months

Location

StateTexas
CountyBexar
Location0.04 Mi E Of Lp 1607
CarriesN Graytown RD
CrossesDraw
Coordinates29.49084, -98.28937

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length212.3 ft (64.7 m)
Max Span9.8 ft (3 m)
Deck Width36.1 ft (11 m)
Deck Area711.7 sq m
Main Spans20
Year Built2018

Traffic

Avg Daily Traffic1,628 (2022)
Truck Traffic9%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical6 — Scour calculated, stable
Structure Number150150M09923008

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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