Structure 121020050003319 · Harris County, TX

IH 45 over Edgebrook DR

Carries IH 45 over Edgebrook DR, 6.1 Mi SE Of IH 610.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT284 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 7/9

284 ft end to end, longest span 110 ft: about 4 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.

Built199036 years old
Length284.1 ft86.6 m
Daily traffic132,815counted 2020
Last inspectedAugust 2022every 48 months

Location

StateTexas
CountyHarris
Location6.1 Mi SE Of IH 610
CarriesIH 45
CrossesEdgebrook DR
Coordinates29.64091, -95.24332

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length284.1 ft (86.6 m)
Max Span109.9 ft (33.5 m)
Deck Width190.9 ft (58.2 m)
Deck Area5040.1 sq m
Main Spans3
Year Built1990

Traffic

Avg Daily Traffic132,815 (2020)
Truck Traffic7%
Lanes On Bridge11
Lanes Under Bridge10

Inspection & Ownership

Last InspectionAugust 2022
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number121020050003319

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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