US Bridges

Nfa 2045 (sa 8325) over Branch

Good

Sumner County, Tennessee · 4.9 MI W JCT SR6&SR376 · Structure no. 83020150009

Built
1987
38 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
30 ft
1 main span
Daily traffic
946
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2045 (sa 8325) over Branch is a concrete culvert carrying Nfa 2045 (sa 8325) over Branch in Sumner County, Tennessee. It was built in 1987, so it is 38 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 946 vehicles a day, roughly 3% of them trucks, projected to reach 1,656 by 2041. The structure is 30 ft (9.1 m) long and 26 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesNfa 2045 (sa 8325)
CrossesBranch
Location4.9 MI W JCT SR6&SR376
RouteCounty Highway 2045
Coordinates36.49495, -86.3683
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionNovember 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 length30 ft (9.1 m)
Longest span18 ft (5.5 m)
Deck width26 ft (7.9 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic946 (2021)
Projected traffic1,656 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$260,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 2045 (sa 8325) over Branch built?

It was built in 1987, making it 38 years old in 2025.

What condition is Nfa 2045 (sa 8325) 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 November 2024.

How much traffic does Nfa 2045 (sa 8325) over Branch carry?

About 946 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2045 (sa 8325) over Branch?

The structure is 30 ft (9.1 m) long with a longest span of 18 ft (5.5 m) and a deck 26 ft wide.

Who owns Nfa 2045 (sa 8325) over Branch?

It is owned by the County Highway Agency.