Structure 81770000603260 · Nolan County, TX

IH 20 over Draw

Carries IH 20 over Draw, 2.70 Mi NE Of Bus 70.

Overall conditionFair

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

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

Elevation

Side view, colored by inspection rating
CAR · 15 FT40 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 40 ft across with 4 openings. 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, so those are drawn as typical for a culvert.

Built1961rebuilt 1979
Length40.0 ft12.2 m
Daily traffic24,170counted 2020
Last inspectedMarch 2023every 24 months

Location

StateTexas
CountyNolan
Location2.70 Mi NE Of Bus 70
CarriesIH 20
CrossesDraw
Coordinates32.47853, -100.36866

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length40.0 ft (12.2 m)
Max Span8.9 ft (2.7 m)
Deck Area301.3 sq m
Main Spans4
Year Built1961 (reconstructed 1979)

Traffic

Avg Daily Traffic24,170 (2020)
Truck Traffic33%
Lanes On Bridge4

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical8 — Stable, low risk
Structure Number081770000603260

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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