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RT NN S over TRIB BUFF CR

Map

Coordinates:
+39.39081, -91.07204
39°23'27" N, 91°04'19" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:RT NN S over TRIB BUFF CR
Structure number:7048
Old structure number:N 495 1 (from 1992 edition)
Location:S 1 T 53 N R 2 W
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:9.8 ft. [3.0 m]
Total length:22.0 ft. [6.7 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:27.9 ft. [8.5 m]
Skew angle:20°
Owner:State Highway Agency [01]
Year built:1958
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 9 / H 10 [1]
Number of main spans:2
Main spans material:Concrete continuous [2]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: December 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:715 [as of 2016]
Truck traffic:11% of total traffic
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Equal to present minimum criteria [6]
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:Deterioration or initial disintegration, minor chloride contamination, cracking with some leaching, or spalls on concrete or masonry walls and slabs. Local minor scouring at curtain walls, wingwalls or pipes. Metal culverts have a smooth curvature, non-symmetrical shape, significant corrosion or moderate pitting. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:42.6 tons [38.7 metric tons]
Inventory rating:25.7 tons [23.4 metric tons]
Sufficiency rating:84.1

Previous Inspections

DateSuff. RatingConditionCulvert ConditionSD/FOADT
December 201684.1Fair6 out of 10-715
December 201475.4Fair6 out of 10-1030
December 201271.1Fair6 out of 10-732
December 201071.3Fair6 out of 10-642
January 200971.3Fair6 out of 10-642
January 200763.4Fair6 out of 10-932
December 200459.9Fair6 out of 10-1726
October 200259.8Fair6 out of 10-1758
November 200060.3Fair6 out of 10-1616
December 199860.4Fair6 out of 10-1569
November 199671.5Fair6 out of 10-549
October 199471.1Fair6 out of 10-525
September 199282.7Good7 out of 10-516
December 199057.6Good7 out of 10SD515