The Nyali Bridge is a concrete

girder bridge A girder bridge is a bridge that uses girders as the means of supporting its deck. The two most common types of modern steel girder bridges are plate and box. The term "girder" is often used interchangeably with "beam" in reference to bridge de ...

connecting the city of

Mombasa Mombasa ( ; ) is a coastal city in southeastern Kenya along the Indian Ocean. It was the first capital of the British East Africa, before Nairobi was elevated to capital city status. It now serves as the capital of Mombasa County. The town is ...

Mombasa Island Mombasa Island is a coral outcrop located on Kenya's coast on the Indian Ocean, which is connected to the mainland by a causeway. Part of the city of Mombasa is located on the island, including the Old Town. History The old town of Mombasa is ...

to the mainland of

Kenya ) , national_anthem = "Ee Mungu Nguvu Yetu"() , image_map = , map_caption = , image_map2 = , capital = Nairobi , coordinates = , largest_city = Nairobi , ...

. The bridge crosses

Tudor Creek Tudor Creek is one of two main water bodies separating Mombasa Island (and the city of Mombasa) from the Kenyan mainland (the other body being Kilindini Harbour). Before the estuary into the Indian Ocean, the tidal creek passes under the Nyal ...

tidal Tidal is the adjectival form of tide. Tidal may also refer to: * Tidal (album), ''Tidal'' (album), a 1996 album by Fiona Apple * Tidal (king), a king involved in the Battle of the Vale of Siddim * TidalCycles, a live coding environment for music * ...

inlet) to the north-east of the island. The bridge is one of three road links out of Mombasa (the others being the

Kipevu Kipevu is a suburb of Mombasa, in Mombasa County, Kenya ) , national_anthem = " Ee Mungu Nguvu Yetu"() , image_map = , map_caption = , image_map2 = , capital = Nairobi , coordi ...

and

Makupa Causeway The Makupa Causeway () is a causeway linking Mombasa island to the Kenyan mainland. The road runs for approximately one and a half miles between the Magongo Circus and Makupa Circus. The causeway dissects Tudor Creek to the east and Port Re ...

s). The

Likoni Ferry The Likoni Ferry is a ferry service across the Kilindini Harbour, serving the Kenyan city of Mombasa between the Mombasa island side and the mainland suburb of Likoni. Two - four double-ended ferries alternate across the harbour, carrying both ...

provides a third transport link to the island, and is situated at the southern tip. The mainland approach to the bridge serves as a

police checkpoint Civilian checkpoints or security checkpoints are distinguishable from border or frontier checkpoints in that they are erected and enforced within contiguous areas under military or paramilitary control. Civilian checkpoints have been employed ...

in both directions.

Cost

The ''

Old Nyali Bridge The Nyali Bridge was a floating pontoon bridge linking Mombasa Island to the Kenyan mainland. The bridge linked the Mzizima district of Mombasa to Nyali, and was built in 1931. In 1980, the bridge was superseded by the New Nyali Bridge ...

'' (a floating bridge) stood approximately 800 m downstream from the current crossing. The floating bridge was commissioned by Governor Joseph Byrne in 1931.

Details

It is 391.65 metres long and 26.3 metres wide with a total of six lanes. The main bridge is 330 metres prestressed continuous box girder over three spans with the centre span of 150 metres. The outer spans are 90 metres each. The bridge is founded on piled foundation. The newer Nyali Bridge includes an approach bridge with three spans totalling 61.65 metres whose superstructure is simply

reinforced concrete Reinforced concrete (RC), also called reinforced cement concrete (RCC) and ferroconcrete, is a composite material in which concrete's relatively low tensile strength and ductility are compensated for by the inclusion of reinforcement having hig ...

beam Beam may refer to: Streams of particles or energy *Light beam, or beam of light, a directional projection of light energy **Laser beam *Particle beam, a stream of charged or neutral particles **Charged particle beam, a spatially localized grou ...

s and deck. Since its completion in 1980, no periodic maintenance was done to the bridge until 2005 when major repairs to the bridge were carried out. The repairs included post tensioning the box girder and shear strengthening using crack sealing and use of steel plates on the internal face of the box girder.Cleopas Makau History and Development of Bridges in Kenya

References

{{reflist, colwidth=30em Bridges in Kenya Roads in Kenya Buildings and structures in Mombasa Bridges completed in 2002