US Bridges

I40 348852T over CSX Railroad

Fair

Wilson County, Tennessee · In Wilson Co. · Structure no. 95I00400033

Built
1964
61 years old, rebuilt 1990
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
116 ft
3 main spans
Daily traffic
57,395
2021 count
Owner
State
State Highway Agency

About this bridge

I40 348852T over CSX Railroad is a prestressed concrete continuous stringer/multi-beam or girder carrying I40 348852T over CSX Railroad in Wilson County, Tennessee. It was built in 1964 and reconstructed in 1990, so it is 61 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 57,395 vehicles a day, roughly 7% of them trucks, projected to reach 91,832 by 2042. The structure is 116 ft (35.4 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI40 348852T
CrossesCSX Railroad
LocationIn Wilson Co.
RouteInterstate I0040
CountyWilson County
StateTennessee
Coordinates36.18765, -86.27057
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.8 US tons
Inventory rating26.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length116 ft (35.4 m)
Longest span39 ft (11.9 m)
Deck width58 ft (17.7 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic57,395 (2021)
Projected traffic91,832 by 2042
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.4 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I40 348852T over CSX Railroad built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1990.

What condition is I40 348852T over CSX Railroad 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 I40 348852T over CSX Railroad carry?

About 57,395 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I40 348852T over CSX Railroad?

The structure is 116 ft (35.4 m) long with a longest span of 39 ft (11.9 m) and a deck 58 ft wide.

Who owns I40 348852T over CSX Railroad?

It is owned by the State Highway Agency.