Share:

LOWER BYRNES MILL over TRIB OF BIG RVR

Map 

Coordinates:
+38.42333, -90.57500
38°25'24" N, 90°34'30" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:LOWER BYRNES MILL over TRIB OF BIG RVR
Structure number:30993
Location:S 3059 T 43 N R 4 E
Purpose:Carries highway over waterway
Route classification:Local (Urban) [19]
Length of largest span:28.9 ft. [8.8 m]
Total length:32.2 ft. [9.8 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:24.0 ft. [7.3 m]
Skew angle:25°
Owner:City or Municipal Highway Agency [04]
Year built:2004
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Main span material:Prestressed concrete [5]
Main span design:Box beam or girders - Multiple [05]
Deck type:Concrete Precast Panels [2]
Wearing surface:Bituminous [6]

Latest Available Inspection: February 2015 

Status:Open, no restriction [A]
Average daily traffic:750 [as of 2013]
Truck traffic:2% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:Equal to present minimum criteria [6]
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 the assessed or calculated scour condition. [8]
Operating rating:59.4 tons [54.0 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:75.9

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
February 201575.9Not deficientFairFairGood750
February 201388.9Not deficientGoodGoodVery Good750
February 201188.9Not deficientVery GoodVery GoodVery Good750
February 200988.9Not deficientExcellentExcellentVery Good750
February 200788.9Not deficientExcellentExcellentVery Good750
February 200588.9Not deficientExcellentExcellentExcellent750