FM 3406 over Onion Branch

Good Condition46 years old8,649 vehicles/day

Location

StateTexas
CountyWilliamson
Location0.5 Mi W Of IH 35
CarriesFM 3406
CrossesOnion Branch
Coordinates30.53484, -97.69924

Condition Ratings

Overall ConditionGood
Channel/Waterway8 (Very Good)
Culvert7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length43.0 ft (13.1 m)
Max Span9.8 ft (3 m)
Deck Area183.4 sq m
Main Spans4
Year Built1980 (reconstructed 2017)

Traffic

Avg Daily Traffic8,649 (2020)
Truck Traffic3%
Lanes On Bridge5

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number142460137806030

Nearby Bridges

FM 3406 over Georgetown Rr Co Op 0.0 mi Good Oak Hollow DR over Onion Branch 0.2 mi Fair Henley DR over E Onion Branch 0.2 mi Good Chaparral DR over Onion Creek Branch 0.3 mi Good Plantation DR over W Onion Branch 0.4 mi Good Ih35 Nt/a @ Fm3406 over IH 35 Ml 0.4 mi Fair FM 3406 over IH 35 0.4 mi Good IH 35 Nb-sb Ta over IH 35 0.4 mi Good Plantation DR over E Onion Branch 0.5 mi Good Chisolm Trail Road over Onion Branch 0.7 mi Good