Agenda 11-14-23; 7-b - US 70 Multimodal Corridor Plan

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20 lib Some of these structures present physical constraints for multimodal improvements to US 70. Any plans to improve or replace these structures should carefully consider existing and future capacity,connectivity,and safety needs for all relevant modes,as well as environmental implications.Structurere summarized below in west-to-east order: p�cccccr•' US 70 Eastbound Bridge over 1-85 Connector Southbound Bridge No.670007 carries US 70 over the I-85 Connector.The bridge was constructed in 1953,has a Sufficiency Rating of 61.92,and is Functionally Obsolete and Structurally Deficient,but has no weight restrictions.The substructure is a reinforced concrete deck on I-beams.The superstructure is approximately 180-feet long and 28-feet wide with a single 14- foot eastbound travel lane that has 7-foot paved shoulders on either side. Due to its low guardrails and relatively high traffic speeds(posted 50 mph),this bridge is not suitable for pedestrian or bicycle use.In addition,the southbound 1-85 Connector passes beneath this bridge at a highly skewed angle as a 2-lane, one-way road with no shoulders and a posted speed limit of 55 mph. US 70 over Eno River Bridge—West of Hillsborough Bridge No.670032 carries US 70 over the Eno River. The bridge was constructed in 1922,has a Sufficiency Rating of 57.87,and is Structurally Deficient,but has no weight restrictions.The substructure is a reinforced concrete deck on girders.The superstructure is approximately 165 feet long and 26 feet wide with two 10-foot travel lanes and 3-foot paved shoulders. Given its narrow width and relatively high traffic volumes and speeds(posted 50 mph),this bridge is not suitable for pedestrian or bicycle use.In addition,there are no trails or sidewalks to/from the bridge. US 70 over Eno River Bridge— East of Hillsborough Bridge No.670046 carries US 70 over the Eno River.The bridge was recently replaced in 2021 and has a Sufficiency Rating of 99 with no weight restrictions. The superstructure is approximately 265 feet long and 28 feet wide with two 12-foot travel lanes and 3-foot paved shoulders. Due to narrow width,low guardrails, and relatively high traffic volumes and speeds(posted 45 mph),this bridge is not suitable for pedestrian or bicycle use.In addition,there are no trails or sidewalks to/from the bridge,but the MST will pass beneath the bridge;because of that,improvements to the underpass have been made on both sides of the Eno River. 18 US 70 Multimodal Corridor Study Existing Conditions Report