BridgeSafety
Knox County, TN · Structure #47I00400147

I40

I40 in .5m N Of Sr1, Knox County, Tennessee received a condition grade of A (85/100). Built in 1998, the bridge carries 166K vehicles daily on I40 over I40 / Bridgewater RD..

A
85/100
85
Condition Score
166K
Daily Traffic
1998
Year Built
55m
Length

Component Ratings

DeckGood
7/9

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

SuperstructureGood
8/9

Beams, girders, and trusses that support the deck

SubstructureGood
8/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
I40
Crosses Over
I40 / Bridgewater RD.
State
Tennessee
County
Knox County
Location
.5m N Of Sr1
Year Built
1998
Age
28 years
Daily Traffic
166,251
Lanes
8
Length
55 meters
Owner
State Highway Agency
Structure Number
47I00400147

About This Bridge

I40 is a 28-year-old bridge located .5m N Of Sr1 in Knox County, Tennessee. The bridge carries I40 over I40 / Bridgewater RD. with 8 traffic lanes, handling approximately 166K vehicles per day. Built in 1998, the structure spans 55 meters.

The bridge received a Condition Grade of A (85/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 8/9 (good), and substructure 8/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

.5m N Of Sr1, Knox County, Tennessee

35.922633, -84.069419

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Frequently Asked Questions

I40 has a Condition Score of 85/100 (Grade A). Its deck is rated 7/9, superstructure 8/9, and substructure 8/9 on the NBI scale. The bridge is not classified as structurally deficient.

I40 was built in 1998, making it 28 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 8 traffic lanes. It is 55 meters long and located on I40 in .5m N Of Sr1, 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 .5m N Of Sr1 in Knox County, Tennessee. The bridge carries I40 over I40 / Bridgewater RD.. Its coordinates are 35.922633, -84.069419. It is maintained by State Highway Agency.

I40 carries I40 over I40 / Bridgewater RD.. The bridge is 55 meters long and was built in 1998.

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.