Structure 30390082403007 · Clay County, TX

FM 172 over Post Oak Creek

Carries FM 172 over Post Oak Creek, 0.5 Mi E Of Archer Co LN.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT120 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

120 ft end to end, longest span 40 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.

Built196660 years old
Length120.1 ft36.6 m
Daily traffic330counted 2020
Last inspectedApril 2024every 24 months

Location

StateTexas
CountyClay
Location0.5 Mi E Of Archer Co LN
CarriesFM 172
CrossesPost Oak Creek
Coordinates33.65655, -98.41205

Physical Characteristics

MaterialConcrete
DesignStringer/Multi-beam
Total Length120.1 ft (36.6 m)
Max Span40.0 ft (12.2 m)
Deck Width42.3 ft (12.9 m)
Deck Area472.1 sq m
Main Spans3
Year Built1966

Traffic

Avg Daily Traffic330 (2020)
Truck Traffic27%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical8 — Stable, low risk
Structure Number030390082403007

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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