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IL 71 over INTERMITTENT STREAM

Map

Coordinates:
+41.25722, -89.26300
41°15'26" N, 89°15'47" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IL 71 over INTERMITTENT STREAM
Structure number:078200800000000
Location:3.18 MI W OF IL 89
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:10.8 ft. [3.3 m]
Total length:28.2 ft. [8.6 m]
Roadway width between curbs:39.7 ft. [12.1 m]
Skew angle:40°
Owner:State Highway Agency [01]
Year built:2007
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Concrete continuous [2]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: May 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:4,150 [as of 2017]
Truck traffic:24% of total traffic
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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]
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]
Sufficiency rating:98.4

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
May 2017Good7 out of 10415098.4