US Bridges

Nfa A308 over East Fork Stones River

Good

Rutherford County, Tennessee · 1.1 MI NW JCT SR1&CANNON · Structure no. 750A3080005

Built
2018
7 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete Continuous
Length
85 ft
3 main spans
Daily traffic
90
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A308 over East Fork Stones River is a concrete continuous culvert carrying Nfa A308 over East Fork Stones River in Rutherford County, Tennessee. It was built in 2018, so it is 7 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 90 vehicles a day, roughly 2% of them trucks, projected to reach 144 by 2040. The structure is 85 ft (25.9 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa A308
CrossesEast Fork Stones River
Location1.1 MI NW JCT SR1&CANNON
RouteCounty Highway 0A308
Coordinates35.83777, -86.18943
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length85 ft (25.9 m)
Longest span32 ft (9.8 m)
Deck width30 ft (9 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2020)
Projected traffic144 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A308 over East Fork Stones River built?

It was built in 2018, making it 7 years old in 2025.

What condition is Nfa A308 over East Fork Stones River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does Nfa A308 over East Fork Stones River carry?

About 90 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A308 over East Fork Stones River?

The structure is 85 ft (25.9 m) long with a longest span of 32 ft (9.8 m) and a deck 30 ft wide.

Who owns Nfa A308 over East Fork Stones River?

It is owned by the County Highway Agency.