The Loughor bridge is a road bridge

Bridge

A bridge is a structure built to span physical obstacles such as a body of water, valley, or road, for the purpose of providing passage over the obstacle...

 crossing over the River Loughor

River Loughor

The River Loughor in Carmarthenshire, Wales has its source at an underground lake at the Black Mountain. It flows past settlements like Ammanford and Hendy in Carmarthenshire and Pontarddulais in Swansea. The river divides Carmarthenshire from Swansea for much of its course and it separates Hendy...

, providing a convenient link between much of western Swansea and Llanelli

Llanelli

Llanelli , the largest town in both the county of Carmarthenshire and the preserved county of Dyfed , Wales, sits on the Loughor estuary on the West Wales coast, approximately west-north-west of Swansea and south-east of the county town, Carmarthen. The town is famous for its proud rugby...

, west Wales

Wales

Wales is a country that is part of the United Kingdom and the island of Great Britain, bordered by England to its east and the Atlantic Ocean and Irish Sea to its west. It has a population of three million, and a total area of 20,779 km²...

. The bridge is part of the A484 road

A484 road

The A484 road is an A road in Wales connecting Swansea with Cardigan.The road begins at Cadle in Swansea and heads westwards as a southern bypass to Loughor. It continues over the Loughor bridge into Bynea, Carmarthenshire. It continues through the centre of Llanelli and traverses near the south...

. The road bridge is adjacent to the Loughor railway viaduct

Loughor railway viaduct

The Loughor railway viaduct is a railway viaduct carrying the West Wales Line across the River Loughor. The original structure was built completely in timber and was engineered by Brunel and K. E. Fletcher. The timber was later replaced with wrought iron, and then with steel plate. It is...

. A permanent bridge linking Loughor

Loughor

Loughor is a town in the City and County of Swansea, Wales, within the historic county boundaries of Glamorgan, Wales. It lies on the estuary of the River Loughor. The town has a community council called Llwchwr....

 and Llanelli was first constructed in 1923. Evidence of the old bridge can still be seen on the opposite side to the railway vaiduct; a parapet jutting out into the river which is now a seating area and support foundations can also be seen in the river bed at low tides.

If travelling over the bridge east, you will enter the county of Swansea

Swansea

Swansea is a coastal city and county in Wales. Swansea is in the historic county boundaries of Glamorgan. Situated on the sandy South West Wales coast, the county area includes the Gower Peninsula and the Lliw uplands...

 and South Wales

South Wales

South Wales is an area of Wales bordered by England and the Bristol Channel to the east and south, and Mid Wales and West Wales to the north and west. The most densely populated region in the south-west of the United Kingdom, it is home to around 2.1 million people and includes the capital city of...

 when leaving the bridge. If travelling west, you will enter the county of Carmarthenshire

Carmarthenshire

Carmarthenshire is a unitary authority in the south west of Wales and one of thirteen historic counties. It is the 3rd largest in Wales. Its three largest towns are Llanelli, Carmarthen and Ammanford...

 and the West Wales

West Wales

West Wales is the western area of Wales.Some definitions of West Wales include only Pembrokeshire, Ceredigion and Carmarthenshire, an area which historically comprised the Welsh principality of Deheubarth., an area called "South West Wales" in the Nomenclature of Territorial Units for Statistics....

 area when leaving the bridge.

When leaving the bridge if heading west, the road signs change from English

English language

English is a West Germanic language that arose in the Anglo-Saxon kingdoms of England and spread into what was to become south-east Scotland under the influence of the Anglian medieval kingdom of Northumbria...

/Welsh

Welsh language

Welsh is a member of the Brythonic branch of the Celtic languages spoken natively in Wales, by some along the Welsh border in England, and in Y Wladfa...

to Welsh/English (Welsh written before English). This is due to the much higher use of the Welsh language in West Wales.