Umauma Bridge to Open April 24

April 23, 2017, 5:00 PM HST (Updated April 22, 2017, 7:50 AM)

Umauma Stream Bridge. File Google Street View image.

The Umauma Bridge on Māmalahoa Highway (Route 19) in the vicinity of Hakalau will open on Monday, April 24, 2017, according to the Hawai‘i Department of Transportation.

One lane of traffic will be contraflowed over the bridge beginning at 9 a.m., weather permitting, and the bridge will be open to two-way traffic at 3 p.m. There will continue to be alternating lane closures at the bridge on Monday through Friday between 8:30 a.m. and 3 p.m.


The Umauma Bridge, which was built in 1911, underwent a full rehabilitation. The $31 million improvement project involved the reinforcement of the bridge’s deteriorating steel structure by building concrete towers within the existing steel towers.

Other improvements included widening and replacement of the bridge deck, an asphalt concrete pavement overlay with 12-foot travel lanes and 8-foot shoulders, and new concrete railings that comply with current federal pedestrian and bike safety regulations.

HDOT thanks the public for their patience and support during this project.



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