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RT N S over LONG BR

Map

Coordinates:
+39.95166, -91.73412
39°57'06" N, 91°44'03" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:RT N S over LONG BR
Structure number:7266
Old structure number:N 804 1 (from 1992 edition)
Location:S 36 T 60 N R 8 W
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:12.1 ft. [3.7 m]
Total length:24.9 ft. [7.6 m]
Roadway width between curbs:26.9 ft. [8.2 m]
Deck width edge-to-edge:28.9 ft. [8.8 m]
Skew angle:10°
Owner:State Highway Agency [01]
Year built:1961
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Number of main spans:2
Main spans material:Concrete continuous [2]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: October 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:383 [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: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]
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:71.3 tons [64.8 metric tons]
Inventory rating:42.6 tons [38.7 metric tons]
Sufficiency rating:87.3

Previous Inspections

DateSuff. RatingConditionCulvert ConditionSD/FOADT
October 201687.3Fair6 out of 10-383
October 201487.2Fair6 out of 10-389
October 201258.8Fair6 out of 10-510
October 201158.8Fair6 out of 10-510
October 200958.4Fair6 out of 10-536
October 200759.0Fair6 out of 10-492
October 200560.7Fair6 out of 10-372
January 200461.1Fair6 out of 10-348
November 200161.0Fair6 out of 10-354
January 200059.0Fair6 out of 10-491
September 199759.0Fair6 out of 10-491
November 199561.9Good7 out of 10-366
December 199362.0Good7 out of 10-354
October 199164.1Good8 out of 10-334