Development of Thrie-Beam Retrofit for Upgrading Obsolete Bridge Rails

Report Number(s): 615131-01

Description: The installation consisted of a 10-gauge thrie beam guardrail system mounted to 33 posts anchored to a concrete curb on a bridge deck.  On both the upstream and downstream ends, the thrie beam transitioned to a Texas Department of Transportation (TxDOT) Downstream Anchor Terminal (DAT). The length-of-need for this installation was 100 ft.

Test Level: 3

Barrier Type: thrie beam

MASH Test Number: 3-10 , 3-11

Proprietary/Non-proprietary: Non-proprietary

Pass/Fail: Pass

Evaluation: Full-Scale Crash Testing

Sponsor: Roadside Safety Research for MASH Implementation Pooled Fund

Test Article Description

Deck Thickness: 12"

Test Article Description

Material: Steel

Mounting Type: curb and deck

Aesthetic: No

See Through: No

Retrofit: Yes

Combo. (Veh/Ped): limited pedestrian use