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I55 over MILL BRANCH

Map

Coordinates:
+35.01389, -90.00222
35°00'50" N, 90°00'08" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I55 over MILL BRANCH
Structure number:79I00550005
Location:1 M N OF MISS-TN ST LN
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:9.8 ft. [3.0 m]
Total length:24.0 ft. [7.3 m]
Skew angle:15°
Owner:State Highway Agency [01]
Year built:1960
Year reconstructed:2000
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:2
Main spans material:Concrete continuous [2]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: January 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:81,940 [as of 2015]
Truck traffic:13% of total traffic
Structural appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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]
Culvert condition:Shrinkage cracks, light scaling and insignificant spalling which does not expose reinforcing steel. Insignificant damage caused by drift with no misalignment and not requiring corrective action. Some minor scouring has occured near curtain walls, wingwalls or pipes. Metal culverts have a smooth symmetrical curvature with superficial corrosion and no pitting. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:92.6 tons [84.2 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:77.3
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$650,000

Previous Inspections

DateSuff. RatingConditionCulvert ConditionSD/FOADT
January 201777.3Good7 out of 10-81940
February 201577.5Good7 out of 10-78470
February 201377.6Good7 out of 10-76630
March 201177.8Good7 out of 10-74190
April 200977.6Good7 out of 10-76750
June 200777.5Good7 out of 10-78800
August 200576.3Good7 out of 10-64640
August 200379.5Good7 out of 10-61080
September 200179.7Good7 out of 10-58690
January 200073.8Good7 out of 10-54220
January 199877.5Good7 out of 10-48020
August 199570.0Good7 out of 10-45350
August 199369.0Good7 out of 10-42870
November 199169.0Good7 out of 10-38390

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Culvert
Reinforced Concrete Culvertlinear ft.353353000