NETTLE TRAIL over N BLACKBIRD CR

This bridge is no longer in the current National Bridge Inventory database, and has likely been demolished or abandoned.

Map

Coordinates:
+40.44081, -92.84425
40°26'27" N, 92°50'39" W

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

Name:	NETTLE TRAIL over N BLACKBIRD CR
Structure number:	20260
Old structure number:	2530015 086 `(from 1992 edition)`
Location:	S 18 T 65 N R 17 W
Purpose:	Carries highway over waterway
Route classification:	Local (Rural) `[09]`
Length of largest span:	47.9 ft. `[14.6 m]`
Total length:	110.9 ft. `[33.8 m]`
Roadway width between curbs:	11.5 ft. `[3.5 m]`
Deck width edge-to-edge:	12.1 ft. `[3.7 m]`
Owner:	County Highway Agency `[02]`
Year built:	1909
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Main span material:	Steel `[3]`
Main span design:	Truss - Thru `[10]`
Deck type:	Wood or Timber `[8]`
Wearing surface:	Wood or Timber `[7]`

Good/Fair/Poor Condition:	Fair
Status:	Bridge closed to all traffic `[K]`
Average daily traffic:	5 `[as of 2013]`
Truck traffic:	10% of total traffic
Deck condition:	Fair `[5 out of 9]`
Superstructure condition:	Fair `[5 out of 9]`
Substructure condition:	Fair `[5 out of 9]`
Deck geometry appraisal:	Basically intolerable requiring high priority of corrrective action `[3]`
Water adequacy appraisal:	Better than present minimum criteria `[7]`
Roadway alignment appraisal:	Equal to present minimum criteria `[6]`
Channel protection:	Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. `[7]`
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. `[8]`
Sufficiency rating:	21.0
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. `[31]`
Estimated cost of work:	$469,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
March 2015	Fair	Fair	Fair	Fair	5	21.0
March 2013	Fair	Fair	Fair	Fair	5	21.0
December 2008	Fair	Fair	Fair	Fair	5	21.0
January 2007	Fair	Fair	Fair	Fair	5	21.0
February 2005	Fair	Fair	Fair	Fair	5	21.0
March 2003	Fair	Fair	Fair	Fair	5	21.0
January 2001	Fair	Fair	Fair	Fair	5	21.0
March 1999	Fair	Fair	Fair	Fair	5	21.0
February 1991	Fair	Very Good	Fair	Satisfactory	5	22.0