US Bridges

Nfa 2064 (sa 8323) over Sulpher Fork Creek

Good

Sumner County, Tennessee · 1.7 MI N JCT SR52&SR259 · Structure no. 83020640001

Built
1970
55 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
262
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2064 (sa 8323) over Sulpher Fork Creek is a concrete continuous culvert carrying Nfa 2064 (sa 8323) over Sulpher Fork Creek in Sumner County, Tennessee. It was built in 1970, so it is 55 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 262 vehicles a day, roughly 3% of them trucks, projected to reach 336 by 2041. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNfa 2064 (sa 8323)
CrossesSulpher Fork Creek
Location1.7 MI N JCT SR52&SR259
RouteCounty Highway 2064
Coordinates36.59833, -86.38149
Functional classRural Minor Collector

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 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 rating60.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 20
Structure length32 ft (9.8 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 traffic262 (2021)
Projected traffic336 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 2064 (sa 8323) over Sulpher Fork Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Nfa 2064 (sa 8323) over Sulpher Fork 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 October 2024.

How much traffic does Nfa 2064 (sa 8323) over Sulpher Fork Creek carry?

About 262 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2064 (sa 8323) over Sulpher Fork Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns Nfa 2064 (sa 8323) over Sulpher Fork Creek?

It is owned by the County Highway Agency.