US Bridges

Nfa 1985 (sa 6405) over Wet Prong Farris Creek

Fair

Moore County, Tennessee · 5 M South of Lynchburg · Structure no. 64019850003

Built
1965
60 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
241
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1985 (sa 6405) over Wet Prong Farris Creek is a concrete continuous culvert carrying Nfa 1985 (sa 6405) over Wet Prong Farris Creek in Moore County, Tennessee. It was built in 1965, so it is 60 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 5 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 241 vehicles a day, roughly 3% of them trucks, projected to reach 386 by 2042. The structure is 31 ft (9.5 m) long and 24 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNfa 1985 (sa 6405)
CrossesWet Prong Farris Creek
Location5 M South of Lynchburg
RouteCounty Highway 1985
Coordinates35.21488, -86.35358
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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.1 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length31 ft (9.5 m)
Longest span10 ft (3 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic241 (2021)
Projected traffic386 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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$226,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1985 (sa 6405) over Wet Prong Farris Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Nfa 1985 (sa 6405) over Wet Prong Farris 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 May 2024.

How much traffic does Nfa 1985 (sa 6405) over Wet Prong Farris Creek carry?

About 241 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1985 (sa 6405) over Wet Prong Farris Creek?

The structure is 31 ft (9.5 m) long with a longest span of 10 ft (3 m) and a deck 24 ft wide.

Who owns Nfa 1985 (sa 6405) over Wet Prong Farris Creek?

It is owned by the County Highway Agency.