US Bridges

Nfa 2024 (sa 7503) over Harpeth River

Fair

Rutherford County, Tennessee · 1.9 MI NE JCT SR16&SR269 · Structure no. 75020240001

Built
1940
85 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
38 ft
1 main span
Daily traffic
209
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2024 (sa 7503) over Harpeth River is a steel stringer/multi-beam or girder carrying Nfa 2024 (sa 7503) over Harpeth River in Rutherford County, Tennessee. It was built in 1940, so it is 85 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 209 vehicles a day, roughly 3% of them trucks, projected to reach 334 by 2042. The structure is 38 ft (11.6 m) long and 22 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNfa 2024 (sa 7503)
CrossesHarpeth River
Location1.9 MI NE JCT SR16&SR269
RouteCounty Highway 2024
Coordinates35.75178, -86.62228
Functional classRural Minor 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.8 US tons
Inventory rating23.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length38 ft (11.6 m)
Longest span35 ft (10.7 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic209 (2021)
Projected traffic334 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$146,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 2024 (sa 7503) over Harpeth River built?

It was built in 1940, making it 85 years old in 2025.

What condition is Nfa 2024 (sa 7503) 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 July 2024.

How much traffic does Nfa 2024 (sa 7503) over Harpeth River carry?

About 209 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2024 (sa 7503) over Harpeth River?

The structure is 38 ft (11.6 m) long with a longest span of 35 ft (10.7 m) and a deck 22 ft wide.

Who owns Nfa 2024 (sa 7503) over Harpeth River?

It is owned by the County Highway Agency.