Structure 130450071602018 · Colorado County, TX

FM 109 over Piper Creek

Carries FM 109 over Piper Creek, 0.20 Mi S Of FM 1291.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT121 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

121 ft end to end, longest span 30 ft. 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 multi-beam bridge.

Built1959rebuilt 2023
Length121.1 ft36.9 m
Daily traffic1,715counted 2024
Last inspectedMarch 2023every 24 months

Location

StateTexas
CountyColorado
Location0.20 Mi S Of FM 1291
CarriesFM 109
CrossesPiper Creek
Coordinates29.86838, -96.54702

Physical Characteristics

MaterialConcrete
DesignStringer/Multi-beam
Total Length121.1 ft (36.9 m)
Max Span29.9 ft (9.1 m)
Deck Width45.9 ft (14 m)
Deck Area516.6 sq m
Main Spans4
Year Built1959 (reconstructed 2023)

Traffic

Avg Daily Traffic1,715 (2024)
Truck Traffic15%
Lanes On Bridge2

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 Number130450071602018

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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