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Nearby Bridges in NBI 2021: 1


IA 38 over MAQUOKETA RIVER (Route: 38)
Num:32391x
Open: no restriction [A]
Built: 1974, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.6 Kilometers)

Bridge Type
Main Span(s): Steel continuous [4] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Low slump Concrete [4]
Bridge Dimensions
Length: 118.3 m = 388.1 ft
Main Spans: 3 at 45.7 m = 149.9 ft
Approach Spans: 0
Skew: 33
Width, Roadway: 13.4 m = 44.0 ft (2 Lanes) and Out-To-Out: 14.5 m = 47.6 ft for a 13.4 m = 44.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Jones County [105], Iowa [19]
Owned by State Highway Agency [01], DOT District: 6
1.5 MI. N OF JCT. SR D62
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 61.4 metric ton = 67.5 tons (Load Factor(LF) [1])
Inventory: 36.9 metric ton = 40.6 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Better than present minimum criteria [7]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: July 2020 [0720] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 1.9 km = 1.2 mi
Traffic
ADT: 3240 (2019) and Trucks: 8%
Future ADT: 3240 (In 2040 )

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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