BridgeSafety
Davidson County, TN · Structure #19I00400065

I40

I40 in I40/ Jo Johnson ST, Davidson County, Tennessee received a condition grade of A (89/100). Built in 2015, the bridge carries 145K vehicles daily on I40 over Jo Johnson ST.

A
89/100
89
Condition Score
145K
Daily Traffic
2015
Year Built
20.4m
Length

Component Ratings

DeckGood
8/9

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
Jo Johnson ST
State
Tennessee
County
Davidson County
Location
I40/ Jo Johnson ST
Year Built
2015
Age
11 years
Daily Traffic
145,427
Lanes
8
Length
20.4 meters
Owner
State Highway Agency
Structure Number
19I00400065

About This Bridge

I40 is a 11-year-old bridge located I40/ Jo Johnson ST in Davidson County, Tennessee. The bridge carries I40 over Jo Johnson ST with 8 traffic lanes, handling approximately 145K vehicles per day. Built in 2015, the structure spans 20.4 meters.

The bridge received a Condition Grade of A (89/100) based on Federal Highway Administration inspection data. Its deck is rated 8/9 (good), superstructure 8/9 (good), and substructure 8/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

I40/ Jo Johnson ST, Davidson County, Tennessee

36.163989, -86.793953

Open in Google Maps →

Frequently Asked Questions

I40 has a Condition Score of 89/100 (Grade A). Its deck is rated 8/9, superstructure 8/9, and substructure 8/9 on the NBI scale. The bridge is not classified as structurally deficient.

I40 was built in 2015, making it 11 years old. The average bridge age in the United States is 48 years.

I40 carries approximately 145K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 20.4 meters long and located on I40 in I40/ Jo Johnson ST, Davidson 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 I40/ Jo Johnson ST in Davidson County, Tennessee. The bridge carries I40 over Jo Johnson ST. Its coordinates are 36.163989, -86.793953. It is maintained by State Highway Agency.

I40 carries I40 over Jo Johnson ST. The bridge is 20.4 meters long and was built in 2015.

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.