Warns that a bridge ahead is out (impassable) and that only local traffic should proceed toward it, with through traffic using an alternate route.
Advance signing for a closed/impassable bridge. Confirm placement and supplemental plaques against the applicable CA MUTCD standard.
View this sign on the Federal MUTCD (FHWA)California-specific application notes and adoptions may differ. Review California requirements where applicable.
Warns that a bridge ahead is out (impassable) and that only local traffic should proceed toward it, with through traffic using an alternate route.
Warns that a bridge ahead is out (impassable) and that only local traffic should proceed toward it, with through traffic using an alternate route. In the field, R11-3b Bridge Out - Local Traffic Only is typically positioned at the at the closure point (activity area), typically on a barricade. Common deployments include advance signing for a closed/impassable bridge; allows local access, diverts through traffic; used with detour route markers. Always confirm its size, retroreflective sheeting, spacing, and placement against the CA MUTCD 2026 and the reviewing agency before finalizing the traffic control plan.
Learn more about Bridge Out - Local Traffic Only sign requirementsUsed in advance of a closed or impassable bridge in California, allowing local access while directing through traffic to a signed detour.
In Los Angeles, full closures typically require coordination with LADOT for signal timing, LA County Metro where transit routes are affected, and public-notice requirements under City or county ordinance. On state highways in LA County, Caltrans District 7 reviews the encroachment permit; county roads are permitted by LA County DPW. Confirm closure limits match the approved permit exactly.
Confirm the local-access limit and the through-traffic detour are clearly signed. Public Ready reviews bridge-closure signing.
Educational reference only. This is not an official Caltrans, FHWA, or local agency publication and is not legal or engineering advice. Always verify sign selection, size, placement, spacing, and application against the current CA MUTCD 2026, Caltrans sign specifications, Standard Plans, project documents, and the reviewing agency’s requirements. Local jurisdictions may impose additional requirements, and final selection, placement, and dimensions may require engineering judgment or agency approval. Written against California MUTCD 2026 (effective January 18, 2026) and the Federal MUTCD 11th Edition. Official sources last verified June 2026.
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