Share:

US 18 over DRAINAGE DITCH

Map

Coordinates:
+43.31389, -95.77500
43°18'50" N, 95°46'30" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 18 over DRAINAGE DITCH
Structure number:000000000038250
Location:1.3 mi E of SR M12
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:14.1 ft. [4.3 m]
Total length:44.0 ft. [13.4 m]
Skew angle:30°
Owner:State Highway Agency [01]
Year built:1957
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:3
Main spans material:Concrete continuous [2]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: November 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:3,520 [as of 2015]
Truck traffic:18% of total traffic
Structural 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 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:Moderate to major deterioration or disintegration, extensive cracking and leaching or spalls on concrete or masonry walls and slabs. Minor settlement or misalignment. Noticeable scouring or erosion at curtain walls, wingwalls or pipes. Metal culverts have significant distortion and deflection in one section, significant corrosion or deep pitting. [5]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:36.0 tons [32.7 metric tons]
Inventory rating:21.6 tons [19.6 metric tons]
Sufficiency rating:70.0

Previous Inspections

DateSuff. RatingConditionCulvert ConditionSD/FOADT
November 201670.0Fair5 out of 10-3520
November 201473.3Fair5 out of 10-3500
November 201276.4Fair5 out of 10-3450
November 201076.4Fair5 out of 10-3030
December 200876.5Fair5 out of 10-2960
December 200676.6Fair5 out of 10-3250
November 200476.6Fair5 out of 10-3240
September 200276.6Fair5 out of 10-3180
January 200076.6Fair5 out of 10-3130
June 199874.7Fair5 out of 10-3070
June 199674.9Fair5 out of 10-2840
April 199493.2Fair6 out of 10-2800
May 199294.2Fair6 out of 10-2720
October 199093.8Fair6 out of 10-2100

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Culvert
Reinforced Concrete Culvertlinear ft.18121135250