OAK LANE over US 61


+41.51414, -90.77776
41°30'51" N, 90°46'40" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:OAK LANE over US 61
Structure number:000000000607805
Location:0.9 mi. NE of SR Y36
Purpose:Carries highway overpass over highway
Route classification:Major Collector (Rural) [07]
Length of largest span:116.1 ft. [35.4 m]
Total length:229.0 ft. [69.8 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:16.4 ft. [5.0 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:2000
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:2
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: September 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:1,250 [as of 2014]
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:Better than present minimum criteria [7]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:99.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017GoodVery GoodVery GoodVery Good125099.0
September 2015GoodVery GoodVery GoodVery Good125099.0
September 2013GoodVery GoodVery GoodVery Good125099.0
September 2011GoodVery GoodVery GoodVery Good110099.0
September 2009GoodVery GoodVery GoodVery Good110099.0
October 2007GoodVery GoodVery GoodVery Good110099.0
December 2005GoodExcellentExcellentExcellent81099.0
February 2003GoodExcellentExcellentExcellent81099.0
July 2002GoodExcellentExcellentExcellent122093.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.1,5891,589000
Reinforced Concrete Decksq. ft.9,8939,8761700
Reinforced Concrete Columneach33000
Reinforced Concrete Abutmentlinear ft.82661600
Reinforced Concrete Pier Caplinear ft.4343000
Pourable Jointlinear ft.7507500
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.4584154300