Share:

ALTON ROAD over SEABOARD AIRLINE RR

Map

Coordinates:
+33.56277, -86.65159
33°33'46" N, 86°39'06" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:ALTON ROAD over SEABOARD AIRLINE RR
Structure number:003890
Old structure number:0000016137M0180 (from 1992 edition)
Location:ALTON RD * SAL RR
Purpose:Carries highway over railroad
Route classification:Local (Urban) [19]
Length of largest span:58.1 ft. [17.7 m]
Total length:185.7 ft. [56.6 m]
Roadway width between curbs:25.6 ft. [7.8 m]
Deck width edge-to-edge:31.2 ft. [9.5 m]
Vertical clearance below bridge:24.0 ft. [7.3 m]
Skew angle:41°
Owner:City or Municipal Highway Agency [04]
Year built:1950
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Number of main spans:5
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]

Latest Available Inspection: November 2016

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:3,000 [as of 2016]
Truck traffic:10% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 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:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:29.0 tons [26.4 metric tons]
Inventory rating:17.4 tons [15.8 metric tons]
Sufficiency rating:50.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$1,566,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
November 201650.0FairSatisfactorySatisfactorySatisfactoryFO3000
December 201450.0FairSatisfactoryGoodSatisfactoryFO3000
January 201450.0FairGoodGoodSatisfactoryFO3000
January 201350.0FairGoodGoodSatisfactoryFO3000
January 201250.0FairGoodGoodSatisfactoryFO3000
January 201150.0FairGoodGoodSatisfactoryFO3000
January 200950.0FairGoodGoodSatisfactoryFO3000
November 200638.9GoodGoodGoodGoodSD3000
December 200438.9GoodGoodGoodGoodSD3000
December 200238.9GoodGoodGoodGoodSD3000
December 200038.9GoodGoodGoodGoodSD3000
December 199838.1GoodGoodGoodGoodSD3000
December 199637.8GoodGoodGoodGoodSD3000
December 199437.8GoodGoodGoodGoodSD3000
December 199237.8FairGoodSatisfactoryGoodSD3000
September 199046.2GoodGoodGoodGoodSD3000