Structure 121020017711292 · Harris County, TX

US 59 NB Rp V over US 59 NB Exit Ramp

Carries US 59 NB Rp V over US 59 NB Exit Ramp, 1.18 Mi S Of Ih610 & Us59.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
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 FT805 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

805 ft end to end, longest span 125 ft: about 2.2 football fields. 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.

Built199828 years old
Length805.1 ft245.4 m
Daily traffic5,780counted 2024
Last inspectedOctober 2024every 24 months

Location

StateTexas
CountyHarris
Location1.18 Mi S Of Ih610 & Us59
CarriesUS 59 NB Rp V
CrossesUS 59 NB Exit Ramp
Coordinates29.78870, -95.33939

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length805.1 ft (245.4 m)
Max Span125.0 ft (38.1 m)
Deck Width28.9 ft (8.8 m)
Deck Area2159.5 sq m
Main Spans7
Year Built1998

Traffic

Avg Daily Traffic5,780 (2024)
Truck Traffic7%
Lanes On Bridge1
Lanes Under Bridge1

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number121020017711292

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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