Structure 121020B49001100 · Harris County, TX

E Orem DR EB over Mykawa RD & Up Rr

Carries E Orem DR EB over Mykawa RD & Up Rr, 1.20 Mi W Of Telephone RD.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,337 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

1,337 ft end to end, longest span 158 ft: about 3.7 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.

Built200521 years old
Length1336.9 ft407.5 m
Daily traffic2,500counted 2013
Last inspectedNovember 2023every 24 months

Location

StateTexas
CountyHarris
Location1.20 Mi W Of Telephone RD
CarriesE Orem DR EB
CrossesMykawa RD & Up Rr
Coordinates29.62628, -95.30607

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length1336.9 ft (407.5 m)
Max Span158.1 ft (48.2 m)
Deck Width34.1 ft (10.4 m)
Deck Area4,238 sq m
Main Spans2
Year Built2005

Traffic

Avg Daily Traffic2,500 (2013)
Lanes On Bridge2
Lanes Under Bridge5

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number121020B49001100

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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