Structure 120800018705428 · Fort Bend County, TX

SH 36 over Union Pacific Railroad

Carries SH 36 over Union Pacific Railroad, 0.05 Mi N Of US 90a.

Overall conditionGood

Set by its lowest-rated component: Substructure at 8 of 9.

How ratings work
Deck9/9 · Excellent
Superstructure9/9 · Excellent
Substructuresets the rating8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT760 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 9/9Superstructure 9/9Substructure 8/9 · sets the rating

760 ft end to end, longest span 116 ft: about 2.1 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.

Built20206 years old
Length759.8 ft231.6 m
Daily traffic4,300counted 2020
Last inspectedOctober 2022every 48 months

Location

StateTexas
CountyFort Bend
Location0.05 Mi N Of US 90a
CarriesSH 36
CrossesUnion Pacific Railroad
Coordinates29.56030, -95.82012

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length759.8 ft (231.6 m)
Max Span116.1 ft (35.4 m)
Deck Width82.3 ft (25.1 m)
Deck Area5813.2 sq m
Main Spans7
Year Built2020

Traffic

Avg Daily Traffic4,300 (2020)
Truck Traffic12%
Lanes On Bridge4

Inspection & Ownership

Last InspectionOctober 2022
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number120800018705428

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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