US Bridges

Nfa A484 over East Fork Spring Creek

Fair

Rutherford County, Tennessee · 2.3 MI SE JCT SR11&SR269 · Structure no. 750A4840001

Built
1970
55 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
130
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A484 over East Fork Spring Creek is a concrete continuous culvert carrying Nfa A484 over East Fork Spring Creek in Rutherford County, Tennessee. It was built in 1970, so it is 55 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 130 vehicles a day, roughly 2% of them trucks, projected to reach 208 by 2042. The structure is 24 ft (7.3 m) long and 24 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNfa A484
CrossesEast Fork Spring Creek
Location2.3 MI SE JCT SR11&SR269
RouteCounty Highway 0A484
Coordinates35.71788, -86.67451
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 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 alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2020)
Projected traffic208 by 2042
Trucks2%
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 statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$82,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A484 over East Fork Spring Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Nfa A484 over East Fork Spring Creek 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 A484 over East Fork Spring Creek carry?

About 130 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A484 over East Fork Spring Creek?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m) and a deck 24 ft wide.

Who owns Nfa A484 over East Fork Spring Creek?

It is owned by the County Highway Agency.