Structure 200360050803160 · Chambers County, TX

SH 73 EB over Abandoned Railroad

Carries SH 73 EB over Abandoned Railroad, 0.3 Mi E Of FM 1663.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT265 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

265 ft end to end, longest span 55 ft: about 4 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 multi-beam bridge.

Built196264 years old
Length265.1 ft80.8 m
Daily traffic4,866counted 2022
Last inspectedMay 2024every 48 months

Location

StateTexas
CountyChambers
Location0.3 Mi E Of FM 1663
CarriesSH 73 EB
CrossesAbandoned Railroad
Coordinates29.82659, -94.37919

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length265.1 ft (80.8 m)
Max Span55.1 ft (16.8 m)
Deck Width47.6 ft (14.5 m)
Deck Area1171.6 sq m
Main Spans5
Year Built1962

Traffic

Avg Daily Traffic4,866 (2022)
Truck Traffic15%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalNot applicable
Structure Number200360050803160

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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