US Bridges

Nfa A152 over S. Prong Double Branch

Fair

Maury County, Tennessee · 6.5 M. Ne. Columbia. · Structure no. 600A1520003

Built
1984
41 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete Continuous
Length
40 ft
2 main spans
Daily traffic
140
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A152 over S. Prong Double Branch is a concrete continuous culvert carrying Nfa A152 over S. Prong Double Branch in Maury County, Tennessee. It was built in 1984, so it is 41 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 140 vehicles a day, roughly 2% of them trucks, projected to reach 224 by 2040. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNfa A152
CrossesS. Prong Double Branch
Location6.5 M. Ne. Columbia.
RouteCounty Highway 152
Coordinates35.6649, -86.9362
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2020)
Projected traffic224 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 A152 over S. Prong Double Branch built?

It was built in 1984, making it 41 years old in 2025.

What condition is Nfa A152 over S. Prong Double Branch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does Nfa A152 over S. Prong Double Branch carry?

About 140 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A152 over S. Prong Double Branch?

The structure is 40 ft (12.2 m) long with a longest span of 15 ft (4.6 m).

Who owns Nfa A152 over S. Prong Double Branch?

It is owned by the County Highway Agency.