US Bridges

Nfa A419 over Duck River

Poor

Coffee County, Tennessee · 4.2 MI from SR 53 · Structure no. 160A4190001

Built
1950
75 years old
Condition
Poor
inspected April 2024
Type
Culvert
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
1,650
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A419 over Duck River is a concrete continuous culvert carrying Nfa A419 over Duck River in Coffee County, Tennessee. It was built in 1950, so it is 75 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,650 vehicles a day, roughly 2% of them trucks, projected to reach 2,640 by 2042. The structure is 31 ft (9.6 m) long and 22 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa A419
CrossesDuck River
Location4.2 MI from SR 53
RouteCounty Highway 419
Coordinates35.63685, -86.14513
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43.5 US tons
Inventory rating20 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length31 ft (9.6 m)
Longest span15 ft (4.6 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,650 (2020)
Projected traffic2,640 by 2042
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$175,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A419 over Duck River built?

It was built in 1950, making it 75 years old in 2025.

What condition is Nfa A419 over Duck River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does Nfa A419 over Duck River carry?

About 1,650 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A419 over Duck River?

The structure is 31 ft (9.6 m) long with a longest span of 15 ft (4.6 m) and a deck 22 ft wide.

Who owns Nfa A419 over Duck River?

It is owned by the County Highway Agency.