US Bridges

Nfa A064 over Big Horse Creek

Good

Dickson County, Tennessee · 1 M. E. SR48. · Structure no. 220A1430001

Built
1940
85 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete Continuous
Length
30 ft
2 main spans
Daily traffic
270
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A064 over Big Horse Creek is a concrete continuous culvert carrying Nfa A064 over Big Horse Creek in Dickson County, Tennessee. It was built in 1940, so it is 85 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 270 vehicles a day, roughly 2% of them trucks, projected to reach 432 by 2042. The structure is 30 ft (9.1 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNfa A064
CrossesBig Horse Creek
Location1 M. E. SR48.
RouteCounty Highway 64
CountyDickson County
StateTennessee
Coordinates36.29405, -87.3436
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40.7 US tons
Inventory rating23.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 10
Structure length30 ft (9.1 m)
Longest span14 ft (4.3 m)
Deck width25 ft (7.6 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2020)
Projected traffic432 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$86,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A064 over Big Horse Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Nfa A064 over Big Horse Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does Nfa A064 over Big Horse Creek carry?

About 270 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A064 over Big Horse Creek?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.3 m) and a deck 25 ft wide.

Who owns Nfa A064 over Big Horse Creek?

It is owned by the County Highway Agency.