Structure 112040017702012 · San Jacinto County, TX

US 59 SB over Big Creek

Carries US 59 SB over Big Creek, 4.00 Mi SW Of Polk C/l.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT154 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

154 ft end to end, longest span 22 ft: about 2 semi-trucks nose to tail. 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.

Built1929rebuilt 1948
Length153.9 ft46.9 m
Daily traffic14,530counted 2024
Last inspectedMarch 2024every 24 months

Location

StateTexas
CountySan Jacinto
Location4.00 Mi SW Of Polk C/l
CarriesUS 59 SB
CrossesBig Creek
Coordinates30.51681, -94.98514

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length153.9 ft (46.9 m)
Max Span22.0 ft (6.7 m)
Deck Width42.0 ft (12.8 m)
Deck Area600.3 sq m
Main Spans7
Year Built1929 (reconstructed 1948)

Traffic

Avg Daily Traffic14,530 (2024)
Truck Traffic23%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical8 — Stable, low risk
Structure Number112040017702012

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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