Structure 150950189702001 · Guadalupe County, TX

FM 1978 over Little Cottonwood Creek

Carries FM 1978 over Little Cottonwood Creek, 1.54 Mi SW Of FM 621.

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
CAR · 15 FT89 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 89 ft across with 6 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.

Built198838 years old
Length88.9 ft27.1 m
Daily traffic2,097counted 2020
Last inspectedJuly 2024every 24 months

Location

StateTexas
CountyGuadalupe
Location1.54 Mi SW Of FM 621
CarriesFM 1978
CrossesLittle Cottonwood Creek
Coordinates29.80913, -97.91285

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length88.9 ft (27.1 m)
Max Span9.8 ft (3 m)
Deck Width32.2 ft (9.8 m)
Deck Area265.6 sq m
Main Spans6
Year Built1988

Traffic

Avg Daily Traffic2,097 (2020)
Truck Traffic23%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number150950189702001

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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