One Lane Bridge Signs
SKU# W5-3
The purpose of the One Lane Bridge Sign (W5-3) is to warn drivers that they are approaching a bridge with only one lane, indicating that traffic from both directions must share the same lane. This sign helps to manage traffic flow and reduce the risk of accidents by encouraging drivers to slow down and yield to oncoming vehicles when necessary.
MUTCD W5-3 Guidance
One Lane Bridge Sign Details:
- Sign is manufactured on durable rust-proof .080" aluminum
- Pre-punched 3/8" mounting holes in top and bottom for easy installation.
- Meets M.U.T.C.D. specifications for highway use.
See catalog page 23.
PRICE TABLE
High Intensity Prismatic Reflective on .080" Aluminum:
| MATERIAL | SIZE | WORDING | PRICE | ADD TO CART | Catalog Part # |
|---|---|---|---|---|---|
High Intensity Prismatic | 30" x 30" High Intensity Prismatic | One Lane Bridge | 1 to 4: $97.90 5 to 9: $93.01 10 +: $88.11 |
SKU:W5-3-3030-HIP |
W5-3-3030-HIP |
36" x 36" High Intensity Prismatic | One Lane Bridge | 1 to 4: $163.79 5 to 9: $155.60 10 +: $147.41 |
SKU:W5-3-3636-HIP |
W5-3-3636-HIP | |
48" x 48" High Intensity Prismatic | One Lane Bridge | 1 to 4: $244.20 5 to 9: $231.99 10 +: $219.78 |
SKU:W5-3-4848-HIP |
W5-3-4848-HIP |
In Stock - Usually ships same or next business day.
Fluorescent Yellow Prismatic Reflective on .080" Aluminum:| MATERIAL | SIZE | WORDING | PRICE | ADD TO CART | Catalog Part # |
|---|---|---|---|---|---|
Fluorescent Yellow Prismatic | 30" x 30" Fluorescent Yellow Prismatic | One Lane Bridge | 1 to 4: $117.81 5 to 9: $111.92 10 +: $106.03 |
SKU:W5-3-3030-FYP |
W5-3-3030-FYP |
36" x 36" Fluorescent Yellow Prismatic | One Lane Bridge | 1 to 4: $179.08 5 to 9: $170.13 10 +: $161.17 |
SKU:W5-3-3636-FYP |
W5-3-3636-FYP | |
48" x 48" Fluorescent Yellow Prismatic | One Lane Bridge | 1 to 4: $308.44 5 to 9: $293.02 10 +: $277.60 |
SKU:W5-3-4848-FYP |
W5-3-4848-FYP |
In Stock - Usually ships same or next business day.
Available Reflective Finishes:
- Most common reflective finish used for traffic signs
- Meets federal minimum requirements
- 10 Year Outdoor Durability
- Brightest and most visible
- Exceeds federal minimum requirements
- 10 Year Outdoor Durability
Other Miscellaneous Warning Signs

Catalog Page 22
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Catalog Page 23
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Catalog Page 24
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Specifications:
| Legend: | ONE LANE BRIDGE |
| MUTCD Sign Code #: | W5-3 |
| Shape: | Diamond |
| Color: | BLACK on YELLOW |
| Available Sizes and Weights: | Size: 30" x 30"; Ship Weight: 7.8 lbs |
| Size: 36" x 36"; Ship Weight: 11.2 lbs | |
| Size: 48" x 48"; Ship Weight: 19.9 lbs | |
| Available Styles: | High Intensity Prismatic Reflective on .080" Aluminum |
| Fluorescent Yellow Prismatic Reflective on .080" Aluminum | |
| Full Description: | W5-3 have a yellow background color. The text and border are black and it is in the shape of a diamond. |
| Mounting Hole Placement: | ![]() |

























