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Nearby Bridges in NBI 2021: 1


CO P-73 over DES MOINES RIVER (Route: 0)
Num:7210x
Posted for load [P]
Built: 1960, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0 Miles (0.1 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: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 127.1 m = 417.0 ft
Main Spans: 4 at 35.7 m = 117.1 ft
Approach Spans: 0
Skew: 15
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 9.5 m = 31.2 ft for a 9.1 m = 29.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [04290]: Webster County [187], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
87281208
Condition
Deck: Poor [4]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design: M 13.5 / H 15 [2]
Operating: 27.2 metric ton = 29.9 tons (Load Factor(LF) [1])
Inventory: 16.3 metric ton = 17.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Meets minimum tolerable limits to be left in place as is [4]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: September 2020 [0920] and Frequency: 24
Future Work
Work Needed: Widening of existing bridge with deck rehabilitation or replacement. [34]
Bridge Detour: 3.5 km = 2.2 mi
Traffic
ADT: 1320 (2019) and Trucks: 0%
Future ADT: 1320 (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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