A ccelerated B ridge C onstruction. Recent TxDOT ABC Projects. Iowa DOT ABC Workshop August 2008. Dacio Marin III, P.E. Bridge Division Texas DOT. Overview ABC on Off-system bridges ABC on On-system bridges What’s next?. Our Bridges …. 50,000 bridges in the state of Texas
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Recent TxDOT ABC Projects
Iowa DOT ABC Workshop
Dacio Marin III, P.E.
Phasing and Temp. Detours Difficult
Long detour route
Phased replacement not feasible
and Shear Studs
several weeks to just 6 hours.
Faster Rehabilitation: 113 spans in 95 days, vs. 1.5 yrs
Exist EB Bridge
New WB Bridge
TIME, COST, QUALITY, AND SAFETY
Bell County, SH 36
PHASE 1 CONSTRUCTION
PHASE 2 CONSTRUCTION
Four new LP 340 bridges were proposed to be constructed over IH 35 using:
Typical Elevation View