StacksVerified U.S. regulatory reference

33 CFR §117.489

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
The draw of the S91 bridge, mile 8.0 at Estherwood, shall open on signal from 5 a.m. to 9 p.m. if at least four hours notice is given. From 9 p.m. to 5 a.m., the draw shall open on signal if at least 12 hours notice is given.