Structure 140280011503007 · Caldwell County, TX

FM 20 over Plum Creek

Carries FM 20 over Plum Creek, 2.7 Mi N Of US 183.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,000 FT OVERALL200 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 5/9 · sets the rating

1,000 ft end to end, longest span 40 ft: about 2.8 football fields. 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 or the layout of the shorter spans, so those are drawn as typical for a slab bridge.

Built1947rebuilt 1992
Length1000.0 ft304.8 m
Daily traffic7,802counted 2023
Last inspectedOctober 2024every 24 months

Location

StateTexas
CountyCaldwell
Location2.7 Mi N Of US 183
CarriesFM 20
CrossesPlum Creek
Coordinates29.87478, -97.62434

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length1000.0 ft (304.8 m)
Max Span40.0 ft (12.2 m)
Deck Width45.9 ft (14 m)
Deck Area4267.2 sq m
Main Spans3
Year Built1947 (reconstructed 1992)

Traffic

Avg Daily Traffic7,802 (2023)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical8 — Stable, low risk
Structure Number140280011503007

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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