US Bridges

FAS 252 350345K over CSX Railroad

FairPosted for load

Williamson County, Tennessee · .6 M S JCT SR252&SR253 · Structure no. 94S62480011

Built
1986
39 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
318 ft
3 main spans
Daily traffic
9,848
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 252 350345K over CSX Railroad is a steel continuous stringer/multi-beam or girder carrying FAS 252 350345K over CSX Railroad in Williamson County, Tennessee. It was built in 1986, so it is 39 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 9,848 vehicles a day, roughly 4% of them trucks, projected to reach 15,757 by 2042. The structure is 318 ft (96.9 m) long and 40 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFAS 252 350345K
CrossesCSX Railroad
Location.6 M S JCT SR252&SR253
RouteState Highway 252
CountyWilliamson County
StateTennessee
Coordinates35.98784, -86.77798
Functional classUrban Minor Arterial

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.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating24.3 US tons
Inventory rating18.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length318 ft (96.9 m)
Longest span126 ft (38.4 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,848 (2021)
Projected traffic15,757 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$845,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAS 252 350345K over CSX Railroad built?

It was built in 1986, making it 39 years old in 2025.

What condition is FAS 252 350345K 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 January 2025.

How much traffic does FAS 252 350345K over CSX Railroad carry?

About 9,848 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAS 252 350345K over CSX Railroad?

The structure is 318 ft (96.9 m) long with a longest span of 126 ft (38.4 m) and a deck 40 ft wide.

Who owns FAS 252 350345K over CSX Railroad?

It is owned by the State Highway Agency.