RK-19 Bridge Rail

Report Number(s): 490026

Description: The installation consisted of a steel bridge rail system mounted to a 1ft-10 inches thick orthotropic steel bridge deck, with a 3/8-inch-thick overlay. The bridge deck was 9 ft wide, and 50 ft-9 inches long, starting 1 ft-8½ inches upstream of post 3 and ending 1 ft-8½ inches downstream of post 11. Steel W8x28 posts, which supported 1 rectangular and 3 square steel rails, were evenly spaced at 5 ft-11 inches center-to-center for a total length of 130 ft-2 inches. The top rail (HSS 6x6x½ inch) was mounted to the posts at 44-1 /8 inches from the roadway to the top of the rail, the preceding two rails (HSS 6x6x5/16 inch) were mounted below with 5 inches between each rail, and the bottom rail (HSS 5x3x3/s inch) was mounted 6 inches below the rail above.

Test Level: 5

Eligibility Letter: B-366

Barrier Type: Steel Bridge Rail

MASH Test Number: 5-10, 5-11, & 5-12

Proprietary/Non-proprietary: Non-proprietary

Pass/Fail: Pass

Evaluation: Full-Scale Crash Testing

Sponsor: Triborough Bridge & Tunnel Authority (TBTA)