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N61 over NIOBRARA RIVER

Cherry County, Nebraska

Map

Coordinates:
+42.81300, -101.68900
42°48'47" N, 101°41'20" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.

Name:	N61 over NIOBRARA RIVER
Structure number:	S061 21751
Location:	9S MERRIMAN
Purpose:	Carries highway over waterway
Route classification:	Minor Arterial (Rural) `[06]`
Length of largest span:	120.1 ft. `[36.6 m]`
Total length:	299.9 ft. `[91.4 m]`
Roadway width between curbs:	36.1 ft. `[11.0 m]`
Deck width edge-to-edge:	38.7 ft. `[11.8 m]`
Skew angle:	30°
Owner:	State Highway Agency `[01]`
Year built:	2007
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[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: March 2017

Good/Fair/Poor Condition:	Good
Status:	Open, no restriction `[A]`
Average daily traffic:	250 `[as of 2012]`
Truck traffic:	14% of total traffic
Deck condition:	Very Good `[8 out of 9]`
Superstructure condition:	Excellent `[9 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 desirable criteria `[8]`
Water adequacy appraisal:	Equal to present desirable criteria `[8]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
Channel protection:	Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. `[8]`
Pier/abutment protection:	Navigation protection not required `[1]`
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. `[8]`
Sufficiency rating:	89.9

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
March 2017	Good	Very Good	Excellent	Very Good	250	89.9
March 2015	Good	Very Good	Excellent	Excellent	250	89.9
March 2013	Good	Very Good	Excellent	Excellent	250	89.9
March 2011	Good	Very Good	Excellent	Excellent	190	99.6
March 2009	Good	Excellent	Excellent	Excellent	190	99.6
March 2007	Fair	Fair	Fair	Satisfactory	220	71.3
March 2005	Fair	Fair	Fair	Satisfactory	240	71.3
July 2003	Fair	Fair	Satisfactory	Satisfactory	215	81.4
February 2001	Fair	Fair	Fair	Fair	200	70.4
June 1999	Fair	Fair	Fair	Fair	175	70.4
June 1997	Fair	Fair	Fair	Fair	180	70.4
July 1995	Fair	Satisfactory	Satisfactory	Fair	190	69.4
June 1993	Fair	Satisfactory	Satisfactory	Fair	170	66.3
July 1991	Fair	Satisfactory	Satisfactory	Fair	130	66.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Prestressed Concrete Girder/Beam	linear ft.	1,200	1,200	0	0	0
Deck
Reinforced Concrete Deck	sq. ft.	11,691	8,184	3,442	65	0
Substructure
Reinforced Concrete Pier Wall	linear ft.	87	83	4	0	0
Reinforced Concrete Abutment	linear ft.	89	89	0	0	0
Reinforced Concrete Pier Cap	linear ft.	89	88	1	0	0
Joints
Compression Joint	linear ft.	89	0	0	0	89
Bearings
Elastomeric Bearing	each	24	24	0	0	0
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	605	533	70	2	0

© Copyright 2012-20, James Baughn
Disclaimer: All data is taken from the National Bridge Inventory and has not been verified.
This page's URL is http://bridgereports.com/1357447