US Bridges

I40EBL 846765N over SR 1 & Sou Rwy

Fair

Cumberland County, Tennessee · 29.65 MI Post 334 · Structure no. 18I00400039

Built
1967
58 years old, rebuilt 1991
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
448 ft
5 main spans
Daily traffic
29,862
2021 count
Owner
State
State Highway Agency

About this bridge

I40EBL 846765N over SR 1 & Sou Rwy is a steel continuous stringer/multi-beam or girder carrying I40EBL 846765N over SR 1 & Sou Rwy in Cumberland County, Tennessee. It was built in 1967 and reconstructed in 1991, so it is 58 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 29,862 vehicles a day, roughly 6% of them trucks, projected to reach 44,947 by 2041. The structure is 448 ft (136.4 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI40EBL 846765N
CrossesSR 1 & Sou Rwy
Location29.65 MI Post 334
RouteInterstate 40
Coordinates35.90184, -84.86162
Functional classRural 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.3 US tons
Inventory rating26.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length448 ft (136.4 m)
Longest span108 ft (32.8 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,862 (2021)
Projected traffic44,947 by 2041
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed0.6 mi (1 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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I40EBL 846765N over SR 1 & Sou Rwy built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1991.

What condition is I40EBL 846765N over SR 1 & Sou Rwy 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 I40EBL 846765N over SR 1 & Sou Rwy carry?

About 29,862 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I40EBL 846765N over SR 1 & Sou Rwy?

The structure is 448 ft (136.4 m) long with a longest span of 108 ft (32.8 m) and a deck 44 ft wide.

Who owns I40EBL 846765N over SR 1 & Sou Rwy?

It is owned by the State Highway Agency.