US Bridges

FAS 250 over Harpeth River

FairPosted for load

Dickson County, Tennessee · Dickson-Cheatham Co. Line · Structure no. 22S61490003

Built
1960
65 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete Continuous
Length
608 ft
9 main spans
Daily traffic
1,102
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 250 over Harpeth River is a concrete continuous tee beam carrying FAS 250 over Harpeth River in Dickson County, Tennessee. It was built in 1960, so it is 65 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. Its operating status is: posted for load restriction.

It carries about 1,102 vehicles a day, roughly 5% of them trucks, projected to reach 1,763 by 2042. The structure is 608 ft (185.3 m) long and 29 ft wide. If it were closed, the detour would be 36 mi (58 km).

Location

Open in Google Maps
CarriesFAS 250
CrossesHarpeth River
LocationDickson-Cheatham Co. Line
RouteState Highway 250
CountyDickson County
StateTennessee
Coordinates36.19142, -87.16727
Functional classRural Major Collector

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.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating27.1 US tons
Inventory rating21.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadH 15
Structure length608 ft (185.3 m)
Longest span60 ft (18.3 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,102 (2021)
Projected traffic1,763 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed36 mi (58 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$6.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 250 over Harpeth River built?

It was built in 1960, making it 65 years old in 2025.

What condition is FAS 250 over Harpeth River 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 April 2024.

How much traffic does FAS 250 over Harpeth River carry?

About 1,102 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 250 over Harpeth River?

The structure is 608 ft (185.3 m) long with a longest span of 60 ft (18.3 m) and a deck 29 ft wide.

Who owns FAS 250 over Harpeth River?

It is owned by the State Highway Agency.