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Nearby Bridges in NBI 2021: 1


US 181 NB over NUECES BAY (Route: 181)
Num:161780010106046x
Open: no restriction [A]
Built: 1963, Reconstructed: 1990
Historic: Bridge is possibly eligible for the NRHP. [3]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.6 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Approach Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 2937.4 m = 9637.6 ft
Main Spans: 1 at 33.5 m = 109.9 ft
Approach Spans: 165
Skew: 0
Width, Roadway: 17 m = 55.8 ft (3 Lanes) and Out-To-Out: 17.9 m = 58.7 ft for a 17.1 m = 56.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 15.2 m = 49.9 ft
Location
Unknown [00000]: Nueces County [355], Texas [48]
Owned by State Highway Agency [01], DOT District: 16
2.3 MI NE OF SHIP CHANNEL
Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design: M 18 / H 20 [4]
Operating: 68 metric ton = 74.8 tons (Load Factor(LF) [1])
Inventory: 34.5 metric ton = 38.0 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: August 2020 [0820] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 8 km = 5.0 mi
Traffic
ADT: 27596 (2019) and Trucks: 6%
Future ADT: 34480 (In 2033 )

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S  - Dismantled and/or in storage. L -  Severe loss of historic integrity due to alteration.

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