US Bridges

Nfa 957 (sa 2219) over Nails Creek

Fair

Dickson County, Tennessee · 0.16 M. N. I40. · Structure no. 22009570013

Built
1949
76 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete
Length
142 ft
5 main spans
Daily traffic
980
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 957 (sa 2219) over Nails Creek is a concrete tee beam carrying Nfa 957 (sa 2219) over Nails Creek 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 980 vehicles a day, roughly 1% of them trucks, projected to reach 1,760 by 2040. The structure is 142 ft (43.3 m) long and 27 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNfa 957 (sa 2219)
CrossesNails Creek
Location0.16 M. N. I40.
RouteCounty Highway 957
Coordinates36.02008, -87.24081
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 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
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.6 US tons
Inventory rating32.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length142 ft (43.3 m)
Longest span29 ft (8.8 m)
Deck width27 ft (8.1 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic980 (2021)
Projected traffic1,760 by 2040
Trucks1%
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 statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$469,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 957 (sa 2219) over Nails Creek built?

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

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

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

About 980 vehicles per day (2021 count), of which roughly 1% are trucks.

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

The structure is 142 ft (43.3 m) long with a longest span of 29 ft (8.8 m) and a deck 27 ft wide.

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

It is owned by the County Highway Agency.