Structure 120850AA0152001 · Galveston County, TX

Jack Beaver Road over Dickinson Bayou Trib

Carries Jack Beaver Road over Dickinson Bayou Trib, 2.2 Mi NW Of SH 6.

Overall conditionGood

Set by its lowest-rated component: Culvert at 7 of 9.

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT46 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 46 ft across with 5 openings. 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, so those are drawn as typical for a culvert.

Built197551 years old
Length45.9 ft14 m
Daily traffic150counted 2010
Last inspectedOctober 2023every 24 months

Location

StateTexas
CountyGalveston
Location2.2 Mi NW Of SH 6
CarriesJack Beaver Road
CrossesDickinson Bayou Trib
Coordinates29.40152, -95.14007

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length45.9 ft (14 m)
Max Span7.9 ft (2.4 m)
Deck Area85.4 sq m
Main Spans5
Year Built1975

Traffic

Avg Daily Traffic150 (2010)
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical8 — Stable, low risk
Structure Number120850AA0152001

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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