Structure 41880B02815001 · Potter County, TX

Irwin RD over East Amarillo Creek

Carries Irwin RD over East Amarillo Creek, 0.3 Mi N Of Loop 335.

Overall conditionPoor

Set by its lowest-rated component: Culvert at 4 of 9.

How ratings work
Culvertsets the rating4/9 · Poor
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT38 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 4/9

A culvert 38 ft across with 3 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.

Built196462 years old
Length38.1 ft11.6 m
Daily traffic168counted 2020
Last inspectedSeptember 2024every 24 months

Location

StateTexas
CountyPotter
Location0.3 Mi N Of Loop 335
CarriesIrwin RD
CrossesEast Amarillo Creek
Coordinates35.27125, -101.82654

Physical Characteristics

MaterialSteel
DesignCulvert
Total Length38.1 ft (11.6 m)
Max Span11.2 ft (3.4 m)
Deck Width54.5 ft (16.6 m)
Deck Area192.6 sq m
Main Spans3
Year Built1964

Traffic

Avg Daily Traffic168 (2020)
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical8 — Stable, low risk
Structure Number041880B02815001

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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