US Bridges

I-40 over American Rd.

Fair

Davidson County, Tennessee · I40 / American RD · Structure no. 19I00400025

Built
1962
63 years old, rebuilt 1989
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
127 ft
3 main spans
Daily traffic
97,513
2021 count
Owner
State
State Highway Agency

About this bridge

I-40 over American Rd. is a prestressed concrete continuous stringer/multi-beam or girder carrying I-40 over American Rd. in Davidson County, Tennessee. It was built in 1962 and reconstructed in 1989, so it is 63 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 97,513 vehicles a day, roughly 7% of them trucks, projected to reach 156,021 by 2042. The structure is 127 ft (38.7 m) long and 114 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-40
CrossesAmerican Rd.
LocationI40 / American RD
RouteInterstate 40
Coordinates36.14858, -86.87506
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length127 ft (38.7 m)
Longest span44 ft (13.4 m)
Deck width114 ft (34.7 m)
Roadway width112 ft (34.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic97,513 (2021)
Projected traffic156,021 by 2042
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-40 over American Rd. built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1989.

What condition is I-40 over American Rd. in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does I-40 over American Rd. carry?

About 97,513 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I-40 over American Rd.?

The structure is 127 ft (38.7 m) long with a longest span of 44 ft (13.4 m) and a deck 114 ft wide.

Who owns I-40 over American Rd.?

It is owned by the State Highway Agency.