US Bridges

I65 877478L over CSX Railroad

Fair

Williamson County, Tennessee · 1.2 M NE JCT I65&SR253 · Structure no. 94I00650033

Built
1965
60 years old, rebuilt 1993
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
200 ft
3 main spans
Daily traffic
128,294
2021 count
Owner
State
State Highway Agency

About this bridge

I65 877478L over CSX Railroad is a prestressed concrete continuous stringer/multi-beam or girder carrying I65 877478L over CSX Railroad in Williamson County, Tennessee. It was built in 1965 and reconstructed in 1993, so it is 60 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 5 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 128,294 vehicles a day, roughly 7% of them trucks, projected to reach 190,003 by 2041. The structure is 200 ft (61.1 m) long and 77 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI65 877478L
CrossesCSX Railroad
Location1.2 M NE JCT I65&SR253
RouteInterstate 65
CountyWilliamson County
StateTennessee
Coordinates36.00908, -86.78564
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 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 geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length200 ft (61.1 m)
Longest span72 ft (21.8 m)
Deck width77 ft (23.5 m)
Roadway width75 ft (22.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic128,294 (2021)
Projected traffic190,003 by 2041
Trucks7%
Lanes on structure4
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I65 877478L over CSX Railroad built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1993.

What condition is I65 877478L 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 February 2023.

How much traffic does I65 877478L over CSX Railroad carry?

About 128,294 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I65 877478L over CSX Railroad?

The structure is 200 ft (61.1 m) long with a longest span of 72 ft (21.8 m) and a deck 77 ft wide.

Who owns I65 877478L over CSX Railroad?

It is owned by the State Highway Agency.