US Bridges

Nfa 2045 (sa 8325) over West Prong Branch

Good

Sumner County, Tennessee · 2 MI SW JCT SR52&SR174 · Structure no. 83020150013

Built
1983
42 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete Continuous
Length
37 ft
2 main spans
Daily traffic
568
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2045 (sa 8325) over West Prong Branch is a concrete continuous culvert carrying Nfa 2045 (sa 8325) over West Prong Branch in Sumner County, Tennessee. It was built in 1983, so it is 42 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 568 vehicles a day, roughly 3% of them trucks, projected to reach 768 by 2041. The structure is 37 ft (11.3 m) long and 29 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa 2045 (sa 8325)
CrossesWest Prong Branch
Location2 MI SW JCT SR52&SR174
RouteCounty Highway 2045
Coordinates36.54385, -86.39118
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 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 alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span12 ft (3.7 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic568 (2021)
Projected traffic768 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$82,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1983, making it 42 years old in 2025.

What condition is Nfa 2045 (sa 8325) over West Prong 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 West Prong Branch carry?

About 568 vehicles per day (2021 count), of which roughly 3% are trucks.

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

The structure is 37 ft (11.3 m) long with a longest span of 12 ft (3.7 m) and a deck 29 ft wide.

Who owns Nfa 2045 (sa 8325) over West Prong Branch?

It is owned by the County Highway Agency.