TR 186 over HENDERSON CREEK

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

Map

Coordinates:
+41.10074, -90.68699
41°06'03" N, 90°41'13" W

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

Name:	TR 186 over HENDERSON CREEK
Structure number:	000066431015336
Location:	SE-23-T13NR3W
Purpose:	Carries highway over waterway
Route classification:	Local (Rural) `[09]`
Length of largest span:	68.6 ft. `[20.9 m]`
Total length:	70.5 ft. `[21.5 m]`
Roadway width between curbs:	13.5 ft. `[4.1 m]`
Deck width edge-to-edge:	14.1 ft. `[4.3 m]`
Owner:	Town or Township Highway Agency `[03]`
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:	Poor
Status:	Posted for load `[P]`
Average daily traffic:	25 `[as of 2004]`
Deck condition:	Poor `[4 out of 9]`
Superstructure condition:	Serious `[3 out of 9]`
Substructure condition:	Critical `[2 out of 9]`
Structural appraisal:	Basically intolerable requiring high priority of replacement `[2]`
Deck geometry appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Water adequacy appraisal:	Equal to present desirable criteria `[8]`
Roadway alignment appraisal:	Basically intolerable requiring high priority of corrrective action `[3]`
Channel protection:	Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. `[6]`
Scour condition:	Bridge foundations determined to be stable for assessed or calculated scour condition. `[5]`
Sufficiency rating:	17.9
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. `[31]`
Estimated cost of work:	$156,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
March 2010	Poor	Poor	Serious	Critical	25	17.9
February 1999	Poor	Satisfactory	Poor	Fair	25	25.0
January 1992	Fair	Satisfactory	Fair	Satisfactory	25	28.8