BridgeSafety
Knox County, TN · Structure #47I00400015

I40

I40 in 2 M S Of Sou RR, Knox County, Tennessee received a condition grade of B (62/100). Built in 1960, the bridge carries 166K vehicles daily on I40 over Ten Mile Creek.

B
62/100
62
Condition Score
166K
Daily Traffic
1960
Year Built
30.2m
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

SubstructureFair
6/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
I40
Crosses Over
Ten Mile Creek
State
Tennessee
County
Knox County
Location
2 M S Of Sou RR
Year Built
1960
Reconstructed
1985
Age
66 years
Daily Traffic
166,251
Lanes
10
Length
30.2 meters
Owner
State Highway Agency
Structure Number
47I00400015

About This Bridge

I40 is a 66-year-old bridge located 2 M S Of Sou RR in Knox County, Tennessee. The bridge carries I40 over Ten Mile Creek with 10 traffic lanes, handling approximately 166K vehicles per day. Built in 1960 and reconstructed in 1985, the structure spans 30.2 meters.

The bridge received a Condition Grade of B (62/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 7/9 (good), and substructure 6/9 (fair).

This bridge is owned and maintained by State Highway Agency.

Location Map

2 M S Of Sou RR, Knox County, Tennessee

35.921017, -84.076614

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Frequently Asked Questions

I40 has a Condition Score of 62/100 (Grade B). Its deck is rated 6/9, superstructure 7/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.

I40 was built in 1960 and reconstructed in 1985, making it 66 years old. The average bridge age in the United States is 48 years.

I40 carries approximately 166K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 30.2 meters long and located on I40 in 2 M S Of Sou RR, Knox County, Tennessee.

No, I40 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 is located 2 M S Of Sou RR in Knox County, Tennessee. The bridge carries I40 over Ten Mile Creek. Its coordinates are 35.921017, -84.076614. It is maintained by State Highway Agency.

I40 carries I40 over Ten Mile Creek. The bridge is 30.2 meters long and was built in 1960, with reconstruction in 1985.

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.