Structure 121020TOL030025 · Harris County, TX

Westpk. WB Rp I-K over Bw 8 Ml & NB Conn Dc-2

Carries Westpk. WB Rp I-K over Bw 8 Ml & NB Conn Dc-2, 0.40 Mi W Of Ranchester.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT363 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

363 ft end to end, longest span 112 ft: about 5 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.

Built200422 years old
Length362.9 ft110.6 m
Daily traffic10,000counted 2013
Last inspectedDecember 2023every 24 months

Location

StateTexas
CountyHarris
Location0.40 Mi W Of Ranchester
CarriesWestpk. WB Rp I-K
CrossesBw 8 Ml & NB Conn Dc-2
Coordinates29.71891, -95.55735

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length362.9 ft (110.6 m)
Max Span111.9 ft (34.1 m)
Deck Width28.9 ft (8.8 m)
Deck Area973.3 sq m
Main Spans2
Year Built2004

Traffic

Avg Daily Traffic10,000 (2013)
Truck Traffic5%
Lanes On Bridge2
Lanes Under Bridge10

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerLocal Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number121020TOL030025

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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