Structure 131580B00175001 · Matagorda County, TX

Eighth ST over Cottonwood Creek

Carries Eighth ST over Cottonwood Creek, 0.15 Mi E Of SH 60.

Overall conditionPoor

Set by its lowest-rated component: Substructure at 4 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructure5/9 · Fair
Substructuresets the rating4/9 · Poor
Channelnot part of overall4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT42 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9Substructure 4/9 · sets the rating

42 ft end to end, longest span 20 ft. Lengths and the car 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.

Built196264 years old
Length42.0 ft12.8 m
Daily traffic2,083counted 2022
Last inspectedFebruary 2024every 24 months

Location

StateTexas
CountyMatagorda
Location0.15 Mi E Of SH 60
CarriesEighth ST
CrossesCottonwood Creek
Coordinates28.98414, -95.96709

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length42.0 ft (12.8 m)
Max Span20.0 ft (6.1 m)
Deck Width44.9 ft (13.7 m)
Deck Area175.4 sq m
Main Spans2
Year Built1962

Traffic

Avg Daily Traffic2,083 (2022)
Truck Traffic4%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical4 — Foundations need monitoring
Structure Number131580B00175001

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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