Share:

COUNTY RD 357 over HILBERT BR

Map

Coordinates:
+40.15419, -91.87875
40°09'15" N, 91°52'43" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:COUNTY RD 357 over HILBERT BR
Structure number:30616
Location:S 22 T 62 N R 9 W
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:48.9 ft. [14.9 m]
Total length:49.9 ft. [15.2 m]
Roadway width between curbs:23.6 ft. [7.2 m]
Deck width edge-to-edge:24.0 ft. [7.3 m]
Owner:County Highway Agency [02]
Year built:2004
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: January 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:35 [as of 2016]
Truck traffic:10% of total traffic
Deck condition:Excellent [9 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Excellent [9 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
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 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]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:74.2 tons [67.5 metric tons]
Inventory rating:44.6 tons [40.5 metric tons]
Sufficiency rating:96.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
January 201696.0GoodExcellentVery GoodExcellent-35
January 201496.0GoodExcellentExcellentExcellent-35
January 201298.0GoodExcellentExcellentExcellent-35
January 201098.0GoodExcellentExcellentExcellent-35
January 200898.0GoodExcellentExcellentExcellent-35
January 200698.0GoodExcellentExcellentExcellent-35
August 200499.0GoodExcellentExcellentExcellent-35