TR 407A(1850 N) over BN RR

Map 

Facts 

Name:	TR 407A(1850 N) over BN RR
Structure number:	000037991608720
Location:	1.5 MI. SW GALVA
Purpose:	Carries highway over railroad
Route classification:	Local (Rural) [09]
Length of largest span:	34.1 ft. [10.4 m]
Total length:	171.9 ft. [52.4 m]
Roadway width between curbs:	15.7 ft. [4.8 m]
Deck width edge-to-edge:	17.1 ft. [5.2 m]
Vertical clearance below bridge:	21.0 ft. [6.4 m]
Owner:	Railroad [27]
Year built:	1916
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Main span material:	Steel [3]
Main span design:	Truss - Thru [10]
Deck type:	Wood or Timber [8]
Wearing surface:	Wood or Timber [7]

2010 Inspection 

Status:	Posted for load [P]
Average daily traffic:	50 [as of 2006]
Deck condition:	Fair [5 out of 9]
Superstructure condition:	Poor [4 out of 9]
Substructure condition:	Fair [5 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	9.9 tons [9.0 metric tons]
Inventory rating:	6.9 tons [6.3 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	21.3
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$375,000

2000 Inspection 

Status:	Posted for load [P]
Average daily traffic:	49 [as of 1996]
Deck condition:	Fair [5 out of 9]
Superstructure condition:	Poor [4 out of 9]
Substructure condition:	Fair [5 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	9.9 tons [9.0 metric tons]
Inventory rating:	6.9 tons [6.3 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	21.3
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$375,000

1992 Inspection 

Status:	Posted for load [P]
Average daily traffic:	50 [as of 1986]
Deck condition:	Fair [5 out of 9]
Superstructure condition:	Poor [4 out of 9]
Substructure condition:	Fair [5 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	25.7 tons [23.4 metric tons]
Inventory rating:	18.8 tons [17.1 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	34.3
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$375,000

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