Skip to content

One Lane Bridge: What It Means & What To Do

One Lane Bridge (W5-3) - diamond yellow with black warning sign: The bridge ahead allows only one lane of traffic
MUTCD CodeW5-3
CategoryWarning Signs
ShapeDiamond
ColorYellow with black

What Does the One Lane Bridge Mean?

The bridge ahead allows only one lane of traffic. Yield to oncoming vehicles already on the bridge.

About This Sign

This sign indicates a single-lane bridge where opposing traffic must take turns crossing.

Other Warning Signs

Sharp Turn (W1-1) - diamond yellow with black warning sign: A sharp turn is ahead

Sharp Turn

W1-1

Curve Ahead (W1-2) - diamond yellow with black warning sign: A curve is ahead

Curve Ahead

W1-2

Reverse Turn (W1-3) - diamond yellow with black warning sign: The road ahead makes two sharp turns in opposite directions

Reverse Turn

W1-3

Practice Road Sign Questions

Test your knowledge of road signs with free DMV practice tests.

CaliforniaTexasFloridaNew YorkPennsylvaniaIllinois
All Road Signs
One Lane Bridge - DMV Road Sign Meaning & Test Guide | DMV IQ