|Location Map ( geo)|
The A905 crosses the River Carron on the northern edge of Grangemouth. It is the lowest bridge across the river before it flows out into the Firth of Forth, but only narrowly beats the M9 Bridge which lies a few hundred metres upstream. The bridge consists of 5 spans, each an identical shallow concrete arch with the four intermediate piers all sat in the tidal river channel. It carries a standard S2 roadway with pavements on either side.
During 2013, the bridge was adapted at the southern end to include a new lifting bridge structure across the eastern extension of the Forth and Clyde Canal. The canal formerly met the Forth upstream of the M9 bridge, but has now been extended under the motorway and along the southern bank of the river to a new basin nearer the docks. The new bridge is a single span structure, which lifts in one piece with hydraulic rams on the south bank. It is protected by full barriers and Wig-Wag Signals.
Both Bridges also carry, along the eastern pavement, NCN76 which makes a circuit of the Firth of Forth.