COUNTY RD 531 over SCHOOL HOLLOW BR

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

Map

Coordinates:
+38.31544, -91.96000
38°18'56" N, 91°57'36" W

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

Name:	COUNTY RD 531 over SCHOOL HOLLOW BR
Structure number:	18278
Old structure number:	1800005 076 `(from 1992 edition)`
Location:	S 7 T 41 N R 9 W
Purpose:	Carries highway over waterway
Route classification:	Local (Rural) `[09]`
Length of largest span:	24.0 ft. `[7.3 m]`
Total length:	53.2 ft. `[16.2 m]`
Roadway width between curbs:	12.1 ft. `[3.7 m]`
Deck width edge-to-edge:	12.1 ft. `[3.7 m]`
Owner:	County Highway Agency `[02]`
Year built:	1935
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Number of main spans:	2
Main spans material:	Concrete `[1]`
Main spans design:	Tee beam `[04]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) `[1]`

Good/Fair/Poor Condition:	Poor
Status:	Open, no restriction `[A]`
Average daily traffic:	30 `[as of 2017]`
Truck traffic:	10% of total traffic
Deck condition:	Fair `[5 out of 9]`
Superstructure condition:	Fair `[5 out of 9]`
Substructure condition:	Poor `[4 out of 9]`
Structural appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Deck geometry appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Water adequacy appraisal:	Better than present minimum criteria `[7]`
Roadway alignment appraisal:	Basically intolerable requiring high priority of corrrective action `[3]`
Channel protection:	Bank and embankment protection is severely undermined. River control devices have severe damage. Large deposits of debris are in the channel. `[4]`
Scour condition:	Bridge foundations determined to be stable for assessed or calculated scour conditions; field review indicates action is required. `[4]`
Sufficiency rating:	28.2
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. `[31]`
Estimated cost of work:	$249,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
April 2017	Poor	Fair	Fair	Poor	30	28.2
May 2015	Fair	Fair	Fair	Fair	30	45.0
April 2013	Fair	Satisfactory	Satisfactory	Satisfactory	30	51.2
May 2011	Fair	Satisfactory	Satisfactory	Satisfactory	30	51.2
May 2009	Fair	Satisfactory	Satisfactory	Satisfactory	30	51.2
May 2007	Fair	Satisfactory	Satisfactory	Satisfactory	30	51.2
June 2005	Fair	Satisfactory	Satisfactory	Satisfactory	30	51.2
May 2003	Fair	Satisfactory	Satisfactory	Satisfactory	30	51.2
March 2001	Fair	Satisfactory	Satisfactory	Satisfactory	30	53.2
May 1999	Fair	Satisfactory	Satisfactory	Satisfactory	30	53.2
March 1991	Fair	Satisfactory	Satisfactory	Satisfactory	99	47.3