US 30 over UP RR


+42.01944, -93.40833
42°01'10" N, 93°24'30" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 30 over UP RR
Structure number:000000000035331
Location:1.0 mi. W of Jct. SR T31
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:68.9 ft. [21.0 m]
Total length:180.1 ft. [54.9 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:43.3 ft. [13.2 m]
Vertical clearance below bridge:23.3 ft. [7.1 m]
Skew angle:22°
Owner:State Highway Agency [01]
Year built:1986
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:3
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: February 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:6,000 [as of 2014]
Truck traffic:10% of total traffic
Deck condition:Good [7 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:Better than present minimum criteria [7]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:70.3 tons [63.9 metric tons]
Inventory rating:41.9 tons [38.1 metric tons]
Sufficiency rating:94.4

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201694.4GoodGoodVery GoodVery Good-6000
February 201494.5GoodGoodVery GoodVery Good-5100
February 201292.5GoodVery GoodVery GoodVery Good-5050
February 201092.7GoodVery GoodVery GoodVery Good-4650
February 200876.5GoodVery GoodVery GoodVery Good-4750
February 200676.0GoodVery GoodVery GoodVery Good-5650
June 200371.7GoodVery GoodVery GoodVery Good-10800
June 200171.9GoodVery GoodVery GoodVery Good-10400
May 199970.7GoodVery GoodVery GoodVery Good-10100
December 199771.1GoodVery GoodVery GoodVery Good-9400
December 199571.0GoodVery GoodVery GoodVery Good-9100
March 199372.3GoodVery GoodVery GoodVery Good-6800
December 199178.6GoodVery GoodVery GoodVery Good-6600

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Prestressed Concrete Girder/Beamlinear ft.1,0621,062000
Reinforced Concrete Decksq. ft.7,7527,752000
Reinforced Concrete Columneach66000
Reinforced Concrete Abutmentlinear ft.9393000
Reinforced Concrete Pier Caplinear ft.8888000
Pourable Jointlinear ft.8686000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.360360000