Another major milestone has been marked in the construction of a long-awaited third crossing.

After the second and third major steel sections of the Gull Wing bridge arrived in Lowestoft from the Netherlands last week, they have now been installed.

Lowestoft Journal: NAV 2 being lifted from the barge. Picture: Gull Wing - LowestoftNAV 2 being lifted from the barge. Picture: Gull Wing - Lowestoft (Image: Gull Wing - Lowestoft)

With the installation completed over the past few days, it marks the "first section of the bridge to go over water."

Lowestoft Journal: NAV 2 being lifted into place. Picture: Gull Wing - LowestoftNAV 2 being lifted into place. Picture: Gull Wing - Lowestoft (Image: Gull Wing - Lowestoft)

The North Approach Viaduct (NAV2 and NAV3) sections being used in the construction of the £126.75m Gull Wing bridge in Lowestoft have been carefully maneouvred into place.

Lowestoft Journal: NAV 2 in position. Picture: Mick HowesNAV 2 in position. Picture: Mick Howes (Image: Mick Howes)

The steel spans being used in construction of the bridge - which is being delivered by Suffolk County Council and built by Farrans Construction - were lifted from the barge, positioned on to the pier and joined together.

Lowestoft Journal: NAV 2 being lifted into position. Picture: John SoanesNAV 2 being lifted into position. Picture: John Soanes (Image: John Soanes)

With the NAV2 section moved late on Friday afternoon, the installation of NAV3 was completed on Monday.

Lowestoft Journal: NAV 3 being lifted into place. Picture: Gull Wing - LowestoftNAV 3 being lifted into place. Picture: Gull Wing - Lowestoft (Image: Gull Wing - Lowestoft)

A Gull Wing spokesman said: "NAV3 is now in place, marking the first section of the bridge to go over water.

Lowestoft Journal: NAV 3 being moved into position. Picture: Gull Wing - LowestoftNAV 3 being moved into position. Picture: Gull Wing - Lowestoft (Image: Gull Wing - Lowestoft)

"Work will now start progressing on preparing the steel and installing the decks.

"South side viaducts (SAV 1-4) due to be delivered later this year."