Structure 121020H41689001 · Harris County, TX

Main ST over Hcfcd Ditch

Carries Main ST over Hcfcd Ditch, 0.20 Mi SE Of SH 3.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT62 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 5/9 · sets the rating

62 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.

Built197551 years old
Length62.0 ft18.9 m
Daily traffic575counted 2011
Last inspectedDecember 2023every 24 months

Location

StateTexas
CountyHarris
Location0.20 Mi SE Of SH 3
CarriesMain ST
CrossesHcfcd Ditch
Coordinates29.66749, -95.24738

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length62.0 ft (18.9 m)
Max Span20.0 ft (6.1 m)
Deck Width30.8 ft (9.4 m)
Deck Area177.7 sq m
Main Spans3
Year Built1975

Traffic

Avg Daily Traffic575 (2011)
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical7 — Countermeasures installed
Structure Number121020H41689001

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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