US Bridges

FAP 49 over SR-49 / Harpeth River

Fair

Cheatham County, Tennessee · 5 Mi.West of Ashland City · Structure no. 11SR0490001

Built
2014
11 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,040 ft
3 main spans
Daily traffic
3,006
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 49 over SR-49 / Harpeth River is a steel continuous stringer/multi-beam or girder carrying FAP 49 over SR-49 / Harpeth River in Cheatham County, Tennessee. It was built in 2014, so it is 11 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.

It carries about 3,006 vehicles a day, roughly 5% of them trucks, projected to reach 5,310 by 2041. The structure is 1,040 ft (317 m) long and 45 ft wide. If it were closed, the detour would be 80.2 mi (129 km).

CarriesFAP 49
CrossesSR-49 / Harpeth River
Location5 Mi.West of Ashland City
RouteState Highway 49
Coordinates36.28667, -87.14667
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+4 approach)
Design loadHL 93
Structure length1,040 ft (317 m)
Longest span200 ft (61 m)
Deck width45 ft (13.8 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,006 (2021)
Projected traffic5,310 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed80.2 mi (129 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 49 over SR-49 / Harpeth River built?

It was built in 2014, making it 11 years old in 2025.

What condition is FAP 49 over SR-49 / 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 July 2024.

How much traffic does FAP 49 over SR-49 / Harpeth River carry?

About 3,006 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAP 49 over SR-49 / Harpeth River?

The structure is 1,040 ft (317 m) long with a longest span of 200 ft (61 m) and a deck 45 ft wide.

Who owns FAP 49 over SR-49 / Harpeth River?

It is owned by the State Highway Agency.