US Bridges

Nfa 957 (sa 2219) over Nails Branch

Fair

Dickson County, Tennessee · .6 M. Nw. S. Corner of CO · Structure no. 22S61480011

Built
1949
76 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
1,420
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 957 (sa 2219) over Nails Branch is a concrete continuous culvert carrying Nfa 957 (sa 2219) over Nails Branch in Dickson County, Tennessee. It was built in 1949, so it is 76 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 1,420 vehicles a day, roughly 3% of them trucks, projected to reach 1,120 by 2040. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 957 (sa 2219)
CrossesNails Branch
Location.6 M. Nw. S. Corner of CO
RouteCounty Highway 957
Coordinates35.96397, -87.21425
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.5 US tons
Inventory rating31.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length26 ft (7.9 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,420 (2021)
Projected traffic1,120 by 2040
Trucks3%
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 957 (sa 2219) over Nails Branch built?

It was built in 1949, making it 76 years old in 2025.

What condition is Nfa 957 (sa 2219) over Nails Branch 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 June 2024.

How much traffic does Nfa 957 (sa 2219) over Nails Branch carry?

About 1,420 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 957 (sa 2219) over Nails Branch?

The structure is 26 ft (7.9 m) long with a longest span of 10 ft (3 m).

Who owns Nfa 957 (sa 2219) over Nails Branch?

It is owned by the County Highway Agency.