+47.29125, -96.51231
47°17'28" N, 96°30'44" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:TH 9 over MARSH RIVER
Structure number:6694
Location:0.3 MI S OF JCT TH 200
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:33.1 ft. [10.1 m]
Total length:99.1 ft. [30.2 m]
Roadway width between curbs:47.2 ft. [14.4 m]
Deck width edge-to-edge:50.5 ft. [15.4 m]
Owner:State Highway Agency [01]
Year built:1948
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:3
Main spans material:Concrete continuous [2]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: May 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,400 [as of 2008]
Truck traffic:17% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Better than present minimum criteria [7]
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]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:86.7 tons [78.8 metric tons]
Inventory rating:51.9 tons [47.2 metric tons]
Sufficiency rating:98.8

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201598.8FairSatisfactorySatisfactoryGood-1400
May 201398.8FairSatisfactorySatisfactoryGood-1400
May 201198.8FairSatisfactorySatisfactoryGood-1400
May 200998.8FairSatisfactorySatisfactoryGood-1400
April 200798.4FairSatisfactorySatisfactoryGood-1750
July 200598.4FairSatisfactorySatisfactoryGood-1750
September 200398.8FairSatisfactorySatisfactoryGood-1400
May 200198.2FairSatisfactorySatisfactoryGood-2000
November 199998.3FairSatisfactorySatisfactoryGood-1950
June 199798.2FairSatisfactorySatisfactoryGood-2000
May 199596.5FairSatisfactorySatisfactoryGood-1650
September 199496.7FairSatisfactorySatisfactoryGood-1425
May 199396.7GoodVery GoodVery GoodGood-1425
May 199296.8GoodVery GoodVery GoodGood-1300