FM 521 over Fort Bend County Ditch A

Fair Condition33 years old22,721 vehicles/day

Location

StateTexas
CountyFort Bend
Location1.15 Mi S Of FM 2234
CarriesFM 521
CrossesFort Bend County Ditch A
Coordinates29.56622, -95.43777

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure8 (Very Good)
Channel/Waterway7 (Good)
Scour Critical6 — Scour calculated, stable

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length52.2 ft (15.9 m)
Max Span52.2 ft (15.9 m)
Deck Width42.7 ft (13 m)
Deck Area206.7 sq m
Main Spans1
Year Built1993

Traffic

Avg Daily Traffic22,721 (2023)
Truck Traffic7%
Lanes On Bridge2

Inspection & Ownership

Last Inspection924
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number120800011103069

Nearby Bridges