I 20 over WEST HIGHLAND DRIVE

Map 

Facts 

Name:	I 20 over WEST HIGHLAND DRIVE
Structure number:	11000200250426A
Location:	1.6 MI E SR 18
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	60.0 ft. [18.3 m]
Total length:	182.1 ft. [55.5 m]
Roadway width between curbs:	50.9 ft. [15.5 m]
Deck width edge-to-edge:	53.8 ft. [16.4 m]
Vertical clearance below bridge:	14.1 ft. [4.3 m]
Skew angle:	5°
Owner:	State Highway Agency [01]
Year built:	1968
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Design load:	MS 18+Mod / HS 20+Mod [6]
Number of main spans:	3
Main spans material:	Prestressed concrete [5]
Main spans 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:	37,500 [as of 2006]
Truck traffic:	13% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Very Good [8 out of 9]
Substructure condition:	Very Good [8 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	53.4 tons [48.5 metric tons]
Inventory rating:	49.7 tons [45.2 metric tons]
Sufficiency rating:	85.1

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	30,000 [as of 1996]
Truck traffic:	13% of total traffic
Deck condition:	Very Good [8 out of 9]
Superstructure condition:	Very Good [8 out of 9]
Substructure condition:	Very Good [8 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	53.4 tons [48.5 metric tons]
Inventory rating:	49.7 tons [45.2 metric tons]
Sufficiency rating:	88.4

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	25,350 [as of 1989]
Truck traffic:	13% of total traffic
Deck condition:	Very Good [8 out of 9]
Superstructure condition:	Very Good [8 out of 9]
Substructure condition:	Very Good [8 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	48.5 tons [44.1 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	85.8

Comments