Skip to contentPONTLOTTYN VIADUCT - B4257 under. 10 spans, *Listed (Grade II)* | DriverBaseRoutePONTLOTTYN VIADUCT - B4257 under. 10 spans, *Listed (Grade II)*
low bridges, 4.3 m clearance, low bridge, bridge clearance
Wales and Western · Wales
Information
Restriction
- Hazard category
- low bridges
- Road
- PONTLOTTYN VIADUCT - B4257 under. 10 spans, *Listed (Grade II)*
- Location
- PONTLOTTYN VIADUCT - B4257 under. 10 spans, *Listed (Grade II)* (CAR/22 74.5 span A, OS ref SO117063)
- Clearance
- 4.3 m
- Clearance (imperial)
- 14' 3"
- Maximum width
- This will become available as we collect more information
Nearby places
Closest places of other types within 5 mi.
Nearby route warnings
Mapped route warnings in this area. Always confirm local signage and coach access before travel.
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Restriction typebridge clearance Standard coach affectedThis will become available as we collect more information Buses and coaches affectedThis will become available as we collect more information Coaches affectedThis will become available as we collect more information Operational notes
- Description
- Signed height from the Network Rail bridge height workbook. Verify local bridge signage before coach travel.
- Alternative route
- This will become available as we collect more information
- Reported by
- Network Rail bridge height workbook
Source detail
- Network Rail reference
- CAR/22 74.5
- ELR
- CAR
- Bridge ID
- 22 74.5
- Span
- A
- OS reference
- SO117063
- Bridge type
- Viaduct
- Network Rail region
- Wales and Western
- Network Rail route
- Wales
Premier Inn Merthyr Tydfil
Premier Inn
BRIDGE STREET - B4285 under
low bridges, 4.5 m clearance, low bridge, bridge clearance
Navigation
- Coordinate-based destinations can land on the nearest road instead of the exact entrance. Verify the final access point before travel.
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Save it here, then open a draft email to Kennedy.
Sources
Last verified 27 Mar 2026.
No source links have been stored for this place yet.