BridgeSafety
Knox County, TN · Structure #47I00400054

I40 LL

I40 LL in In Knoxville, Knox County, Tennessee received a condition grade of B (69/100). Built in 1965, the bridge carries 140K vehicles daily on I40 LL over I40-Ll / 17th. Street.

B
69/100
69
Condition Score
140K
Daily Traffic
1965
Year Built
43.6m
Length

Component Ratings

DeckFair
6/9

The riding surface — evaluated for cracking, spalling, and wear

SuperstructureGood
7/9

Beams, girders, and trusses that support the deck

SubstructureGood
7/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
I40 LL
Crosses Over
I40-Ll / 17th. Street
State
Tennessee
County
Knox County
Location
In Knoxville
Year Built
1965
Reconstructed
1981
Age
61 years
Daily Traffic
139,697
Lanes
6
Length
43.6 meters
Owner
State Highway Agency
Structure Number
47I00400054

About This Bridge

I40 LL is a 61-year-old bridge located In Knoxville in Knox County, Tennessee. The bridge carries I40 LL over I40-Ll / 17th. Street with 6 traffic lanes, handling approximately 140K vehicles per day. Built in 1965 and reconstructed in 1981, the structure spans 43.6 meters.

The bridge received a Condition Grade of B (69/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 7/9 (good), and substructure 7/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

In Knoxville, Knox County, Tennessee

35.964317, -83.936714

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Frequently Asked Questions

I40 LL has a Condition Score of 69/100 (Grade B). Its deck is rated 6/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.

I40 LL was built in 1965 and reconstructed in 1981, making it 61 years old. The average bridge age in the United States is 48 years.

I40 LL carries approximately 140K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 43.6 meters long and located on I40 LL in In Knoxville, Knox County, Tennessee.

No, I40 LL is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.

I40 LL is located In Knoxville in Knox County, Tennessee. The bridge carries I40 LL over I40-Ll / 17th. Street. Its coordinates are 35.964317, -83.936714. It is maintained by State Highway Agency.

I40 LL carries I40 LL over I40-Ll / 17th. Street. The bridge is 43.6 meters long and was built in 1965, with reconstruction in 1981.

Last updated:

Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.