MARSH AVE over US 30


+42.02222, -93.00000
42°01'20" N, 93°00'00" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:MARSH AVE over US 30
Structure number:000000000601500
Location:1.0 MI. E OF JCT. IA #330
Purpose:Carries highway over highway
Route classification:Minor Collector (Rural) [08]
Length of largest span:97.1 ft. [29.6 m]
Total length:268.1 ft. [81.7 m]
Roadway width between curbs:30.2 ft. [9.2 m]
Deck width edge-to-edge:33.1 ft. [10.1 m]
Vertical clearance below bridge:17.1 ft. [5.2 m]
Owner:State Highway Agency [01]
Year built:1995
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:4
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: October 2015

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:200 [as of 2013]
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:91.7 tons [83.4 metric tons]
Inventory rating:45.1 tons [41.0 metric tons]
Sufficiency rating:93.8

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201593.8GoodVery GoodVery GoodVery Good-200
October 201394.0GoodExcellentExcellentExcellent-110
October 201194.0GoodExcellentExcellentExcellent-150
October 200995.0GoodExcellentExcellentExcellent-110
October 200795.0GoodExcellentExcellentExcellent-110
September 200595.0GoodExcellentExcellentExcellent-110
December 200395.0GoodExcellentExcellentExcellent-150
November 200195.0GoodExcellentExcellentExcellent-150
May 199995.0GoodExcellentExcellentExcellent-110
January 199795.0GoodExcellentExcellentExcellent-110
July 199495.0GoodExcellentExcellentExcellent-540

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Prestressed Concrete Girder/Beamlinear ft.1,3201,320000
Reinforced Concrete Decksq. ft.8,8988,898000
Reinforced Concrete Columneach66000
Reinforced Concrete Abutmentlinear ft.6767000
Reinforced Concrete Pier Caplinear ft.9797000
Pourable Jointlinear ft.6161000
Elastomeric Bearingeach2020000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.536536000