US Bridges

Nfa 2073 (sa 8324) over Branch

Good

Sumner County, Tennessee · 4.6 MI NE JCT SR52&SR174 · Structure no. 83020730003

Built
1988
37 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
412
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2073 (sa 8324) over Branch is a concrete culvert carrying Nfa 2073 (sa 8324) over Branch in Sumner County, Tennessee. It was built in 1988, so it is 37 years old, younger 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 412 vehicles a day, roughly 3% of them trucks, projected to reach 576 by 2038. The structure is 22 ft (6.7 m) long and 24 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNfa 2073 (sa 8324)
CrossesBranch
Location4.6 MI NE JCT SR52&SR174
RouteCounty Highway 2073
Coordinates36.62085, -86.32719
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 evaluation7: Better than 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 alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span18 ft (5.5 m)
Deck width24 ft (7.2 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic412 (2021)
Projected traffic576 by 2038
Trucks3%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 2073 (sa 8324) over Branch built?

It was built in 1988, making it 37 years old in 2025.

What condition is Nfa 2073 (sa 8324) over Branch 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 2073 (sa 8324) over Branch carry?

About 412 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2073 (sa 8324) over Branch?

The structure is 22 ft (6.7 m) long with a longest span of 18 ft (5.5 m) and a deck 24 ft wide.

Who owns Nfa 2073 (sa 8324) over Branch?

It is owned by the County Highway Agency.