US Bridges

Nfa A648 over Stones Creek

Fair

Wilson County, Tennessee · 1.4 MI SE JCT I40&SR171 · Structure no. 950A6480003

Built
1970
55 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
320
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A648 over Stones Creek is a concrete continuous culvert carrying Nfa A648 over Stones Creek in Wilson 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 320 vehicles a day, roughly 2% of them trucks, projected to reach 512 by 2042. The structure is 21 ft (6.4 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNfa A648
CrossesStones Creek
Location1.4 MI SE JCT I40&SR171
RouteCounty Highway 0A648
CountyWilson County
StateTennessee
Coordinates36.16918, -86.48887
Functional classUrban 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 protection7 GoodSome minor problems.
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 geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic320 (2020)
Projected traffic512 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$187,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A648 over Stones Creek built?

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

What condition is Nfa A648 over Stones 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 A648 over Stones Creek carry?

About 320 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A648 over Stones Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 36 ft wide.

Who owns Nfa A648 over Stones Creek?

It is owned by the County Highway Agency.