River Little Brosna
| Little Brosna | |
|---|---|
Little Brosna River at Riverstown
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| Native name | An Bhrosnach Bheag |
| Etymology | Possibly means "place of twigs" |
| Country | Ireland |
| Physical characteristics | |
| Main source | Near Dunkerrin, County Offaly |
| River mouth | Atlantic via the River Shannon |
| Length | 57.6 kilometres (35.8 mi) |
| Discharge |
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| Basin features | |
| River system | Shannon |
| Basin size | 662 km2 (256 sq mi) |
| Tributaries |
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The Little Brosna River (An Bhrosnach Bheag in Irish) rises near Dunkerrin, County Offaly, Ireland. It flows for 36 miles before joining the River Shannon.
The river rises near Dunkerrin, and enters the River Shannon near Victoria Lock, Clonahenoge. It flows over an area of limestone then passes through an area of Callow before merging with the Shannon. It forms part of the boundary between County Offaly and County Tipperary.
Sharavogue Bridge built in the early 1850s carries the R492 road over the river which here forms the boundary between the townlands of Sharavogue and Ballincor Demesne. The bridge is listed as being of architectural and technical interest.
Railway Bridge at Glasderry More is a latticed metal bridge carrying the (disused) railway line over the Little Brosna.
Riverstown Bridge with five arches carries the N52 across the Little Brosna. This is a narrow bridge at 5.15m between parapets; traffic negotiating this bridge often has to give way to other vehicles.
Croghan Bridge a stone bridge of three arches from the mid-18th century, it carries the Croghan Road, Birr across the Little Brosna.
Ivy Bridge crosses the river within the demesne of Birr Castle, just downstream of the confluence of the rivers Camcor and Little Brosna.
Derrinsallow Bridge, built about 1850, has three arches of dressed limestone and rubble. It crosses from County Tipperary to County Offlay.
New Bridge built about 1820 is the last crossing before joining the Shannon. It has five rounded arches of limestone. The bridge takes the R438 road between County Tipperary and County Offaly.
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Wikipedia