I40 over I40 VIADUCT/ 7 RTS-CR-RR

Map

Coordinates:
+35.96861, -83.92750
35°58'07" N, 83°55'39" W

Source: National Bridge Inventory (1992, 2000, 2010 editions)
Information not verified. Use at your own risk.

Name:	I40 over I40 VIADUCT/ 7 RTS-CR-RR
Structure number:	47I00400061
Location:	DOWNTOWN KNOXVILLE
Purpose:	Carries highway over highway, waterway, and railroad
Route classification:	Principal Arterial - Interstate (Urban) `[11]`
Length of largest span:	115.2 ft. `[35.1 m]`
Total length:	2719.0 ft. `[828.7 m]`
Roadway width between curbs:	167.7 ft. `[51.1 m]`
Deck width edge-to-edge:	169.6 ft. `[51.7 m]`
Vertical clearance below bridge:	15.1 ft. `[4.6 m]`
Skew angle:	14°
Owner:	State Highway Agency `[01]`
Year built:	1964
Year reconstructed:	2006
Historic significance:	Historical significance is not determinable at this time `[4]`
Design load:	MS 18 / HS 20 `[5]`
Number of main spans:	31
Main spans material:	Steel continuous `[4]`
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]`

Status:	Open, no restriction `[A]`
Average daily traffic:	100,610 `[as of 2008]`
Truck traffic:	14% of total traffic
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 foundations (including piles) on dry land well above flood water elevations. `[9]`
Operating rating:	48.5 tons `[44.1 metric tons]`
Inventory rating:	35.6 tons `[32.4 metric tons]`
Sufficiency rating:	86.3

Status:	Open, no restriction `[A]`
Average daily traffic:	68,300 `[as of 1991]`
Truck traffic:	6% of total traffic
Deck condition:	Satisfactory `[6 out of 9]`
Superstructure condition:	Satisfactory `[6 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:	Scour calculation/evaluation has not been made. `[6]`
Operating rating:	48.5 tons `[44.1 metric tons]`
Inventory rating:	35.6 tons `[32.4 metric tons]`
Evaluation:	Functionally obsolete `[2]`
Sufficiency rating:	79.0
Recommended work:	Widening of existing bridge or other major structure without deck rehabilitation or replacement `[33]`
Estimated cost of work:	$3,329,000