OLD CHAIN RKS RD/O over CHAIN OF ROCKS CANAL

Map

Coordinates:
+38.76165, -90.14225
38°45'42" N, 90°08'32" W

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

Name:	OLD CHAIN RKS RD/O over CHAIN OF ROCKS CANAL
Structure number:	060006800000000
Old structure number:	000060006814297 `(from 1992 edition)`
Location:	1.3 M E MISS R
Purpose:	Carries highway over highway and waterway
Route classification:	Local (Urban) `[19]`
Length of largest span:	462.9 ft. `[141.1 m]`
Total length:	2368.2 ft. `[721.8 m]`
Roadway width between curbs:	17.7 ft. `[5.4 m]`
Deck width edge-to-edge:	30.8 ft. `[9.4 m]`
Vertical clearance below bridge:	49.2 ft. `[15.0 m]`
Owner:	City or Municipal Highway Agency `[04]`
Year built:	1949
Year reconstructed:	1999
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	M 18 / H 20 `[4]`
Number of main spans:	17
Main spans material:	Steel `[3]`
Main spans design:	Truss - Thru `[10]`
Deck type:	Open Grating `[3]`

Good/Fair/Poor Condition:	Poor
Status:	Posted for load `[P]`
Average daily traffic:	225 `[as of 2016]`
Truck traffic:	22% of total traffic
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Poor `[4 out of 9]`
Substructure condition:	Good `[7 out of 9]`
Structural appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Deck geometry appraisal:	Basically intolerable requiring high priority of replacement `[2]`
Underclearances appraisal:	Basically intolerable requiring high priority of corrrective action `[3]`
Water adequacy appraisal:	Equal to present desirable criteria `[8]`
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]`
Pier/abutment protection:	None present but re-evaluation suggested `[5]`
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. `[8]`
Sufficiency rating:	24.3
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. `[35]`
Estimated cost of work:	$5,616,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
September 2017	Poor	Good	Poor	Good	225	24.3
September 2015	Poor	Very Good	Poor	Good	275	23.3
December 2013	Poor	Very Good	Poor	Good	275	51.9
July 2011	Fair	Very Good	Fair	Good	400	67.8
July 2009	Fair	Very Good	Fair	Good	400	72.7
August 2007	Fair	Very Good	Fair	Good	400	72.7
November 2005	Fair	Very Good	Fair	Good	900	63.4
January 2003	Fair	Very Good	Satisfactory	Good	900	74.0
January 2001	Fair	Excellent	Satisfactory	Good	750	81.6
February 1999	Fair	Excellent	Satisfactory	Good	750	81.6
January 1998	Poor	Serious	Poor	Satisfactory	750	47.5
March 1996	Poor	Serious	Poor	Satisfactory	1150	42.1
January 1995	Fair	Fair	Satisfactory	Satisfactory	1150	70.9
March 1993	Fair	Fair	Satisfactory	Satisfactory	3409	54.8
March 1991	Fair	Fair	Satisfactory	Fair	3409	49.0