Structure 142460N00005001 · Williamson County, TX

CR 120 over Weir Branch

Carries CR 120 over Weir Branch, 0.30 Mi S Of FM 971.

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 FT53 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 53 ft across with 5 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.

Built200620 years old
Length53.1 ft16.2 m
Daily traffic1,356counted 2020
Last inspectedOctober 2023every 24 months

Location

StateTexas
CountyWilliamson
Location0.30 Mi S Of FM 971
CarriesCR 120
CrossesWeir Branch
Coordinates30.67042, -97.58419

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length53.1 ft (16.2 m)
Max Span9.8 ft (3 m)
Deck Width29.9 ft (9.1 m)
Deck Area147.4 sq m
Main Spans5
Year Built2006

Traffic

Avg Daily Traffic1,356 (2020)
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number142460N00005001

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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