CO. 46 over COUNTY LINE CREEK

Map 

Facts 

Name:	CO. 46 over COUNTY LINE CREEK
Structure number:	009376
Old structure number:	0000004609103Z0 (from 1992 edition)
Location:	2 MI. W. BLACKMAN
Purpose:	Carries highway over waterway
Route classification:	Local (Rural) [09]
Length of largest span:	20.0 ft. [6.1 m]
Total length:	22.0 ft. [6.7 m]
Roadway width between curbs:	24.0 ft. [7.3 m]
Deck width edge-to-edge:	24.0 ft. [7.3 m]
Owner:	County Highway Agency [02]
Year built:	1967
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Design load:	M 9 / H 10 [1]
Main span material:	Steel [3]
Main span design:	Stringer/Multi-beam or girder [02]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) [1]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	30 [as of 1992]
Deck condition:	Good [7 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Good [7 out of 9]
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 with "unknown" foundation that has not been evaluated for scour. [U]
Operating rating:	5.9 tons [5.4 metric tons]
Inventory rating:	4.0 tons [3.6 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	45.7
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$321,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	30 [as of 1992]
Deck condition:	Good [7 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Fair [5 out of 9]
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:	Scour calculation/evaluation has not been made. [6]
Operating rating:	74.8 tons [68.0 metric tons]
Inventory rating:	52.9 tons [48.1 metric tons]
Sufficiency rating:	86.0
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$74,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	30 [as of 1990]
Deck condition:	Good [7 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Satisfactory [6 out of 9]
Channel protection:	Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Scour condition:	Scour calculation/evaluation has not been made. [6]
Operating rating:	50.7 tons [46.1 metric tons]
Inventory rating:	35.9 tons [32.6 metric tons]
Sufficiency rating:	97.0
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$60,000

Comments