18th AVE S over MIDTOWN GREENWAY

Map 

Facts 

Name:	18th AVE S over MIDTOWN GREENWAY
Structure number:	L8923
Location:	0.1 MI N OF LAKE ST
Purpose:	Carries highway and pedestrian walkway over pedestrian/bicycle trail
Route classification:	Local (Urban) [19]
Length of largest span:	32.5 ft. [9.9 m]
Total length:	95.1 ft. [29.0 m]
Roadway width between curbs:	32.2 ft. [9.8 m]
Deck width edge-to-edge:	50.9 ft. [15.5 m]
Skew angle:	5°
Owner:	County Highway Agency [02]
Year built:	1916
Historic significance:	Bridge is eligible for the National Register of Historic Places [2]
Number of main spans:	3
Main spans material:	Concrete continuous [2]
Main spans design:	Girder and floorbeam system [03]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Bituminous [6]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	1,018 [as of 2007]
Deck condition:	Poor [4 out of 9]
Superstructure condition:	Poor [4 out of 9]
Substructure condition:	Poor [4 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	54.5 tons [49.5 metric tons]
Inventory rating:	28.7 tons [26.1 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	60.7
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$355,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	1,000 [as of 1985]
Truck traffic:	10% of total traffic
Deck condition:	Poor [4 out of 9]
Superstructure condition:	Poor [4 out of 9]
Substructure condition:	Poor [4 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	54.0 tons [49.1 metric tons]
Inventory rating:	28.4 tons [25.8 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	58.3
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	1,000 [as of 1985]
Truck traffic:	1% of total traffic
Deck condition:	Fair [5 out of 9]
Superstructure condition:	Poor [4 out of 9]
Substructure condition:	Poor [4 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	53.5 tons [48.6 metric tons]
Inventory rating:	23.5 tons [21.4 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	60.4
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$260,000

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