Structure 121020002713093 · Harris County, TX

IH 69 / US 59 over Newcastle DR

Carries IH 69 / US 59 over Newcastle DR, 0.55 Mi E Of IH 610 W.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT197 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

197 ft end to end, longest span 65 ft: about 3 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.

Built1962rebuilt 1992
Length196.9 ft60 m
Daily traffic183,561counted 2020
Last inspectedDecember 2024every 24 months

Location

StateTexas
CountyHarris
Location0.55 Mi E Of IH 610 W
CarriesIH 69 / US 59
CrossesNewcastle DR
Coordinates29.73015, -95.45136

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length196.9 ft (60 m)
Max Span65.0 ft (19.8 m)
Deck Width225.7 ft (68.8 m)
Deck Area4,128 sq m
Main Spans3
Year Built1962 (reconstructed 1992)

Traffic

Avg Daily Traffic183,561 (2020)
Truck Traffic4%
Lanes On Bridge15
Lanes Under Bridge5

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalNot applicable
Structure Number121020002713093

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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