BridgeSafety
Davidson County, TN · Structure #19I00400081

I40

I40 in I40-I65-Inner Loop, Davidson County, Tennessee received a condition grade of C (56/100). Built in 1970, the bridge carries 134K vehicles daily on I40 over I65 Ramp.

C
56/100
56
Condition Score
134K
Daily Traffic
1970
Year Built
64.3m
Length

Component Ratings

DeckFair
6/9

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

SuperstructureFair
5/9

Beams, girders, and trusses that support the deck

SubstructureFair
5/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
I40
Crosses Over
I65 Ramp
State
Tennessee
County
Davidson County
Location
I40-I65-Inner Loop
Year Built
1970
Age
56 years
Daily Traffic
133,586
Lanes
2
Length
64.3 meters
Owner
State Highway Agency
Structure Number
19I00400081

About This Bridge

I40 is a 56-year-old bridge located I40-I65-Inner Loop in Davidson County, Tennessee. The bridge carries I40 over I65 Ramp with 2 traffic lanes, handling approximately 134K vehicles per day. Built in 1970, the structure spans 64.3 meters.

The bridge received a Condition Grade of C (56/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 5/9 (fair), and substructure 5/9 (fair).

This bridge is owned and maintained by State Highway Agency.

Location Map

I40-I65-Inner Loop, Davidson County, Tennessee

36.148242, -86.778206

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Frequently Asked Questions

I40 has a Condition Score of 56/100 (Grade C). Its deck is rated 6/9, superstructure 5/9, and substructure 5/9 on the NBI scale. The bridge is not classified as structurally deficient.

I40 was built in 1970, making it 56 years old. The average bridge age in the United States is 48 years.

I40 carries approximately 134K vehicles per day (average daily traffic). The bridge has 2 traffic lanes. It is 64.3 meters long and located on I40 in I40-I65-Inner Loop, 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-I65-Inner Loop in Davidson County, Tennessee. The bridge carries I40 over I65 Ramp. Its coordinates are 36.148242, -86.778206. It is maintained by State Highway Agency.

I40 carries I40 over I65 Ramp. The bridge is 64.3 meters long and was built in 1970.

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.