US Bridges

Nfa A015 over Hawkins Branch

Good

Trousdale County, Tennessee · 2 MI W of SR141 · Structure no. 850A0150003

Built
1993
32 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete Continuous
Length
53 ft
3 main spans
Daily traffic
200
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A015 over Hawkins Branch is a concrete continuous culvert carrying Nfa A015 over Hawkins Branch in Trousdale County, Tennessee. It was built in 1993, so it is 32 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 200 vehicles a day, roughly 5% of them trucks, projected to reach 320 by 2041. The structure is 53 ft (16.2 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa A015
CrossesHawkins Branch
Location2 MI W of SR141
RouteCounty Highway 15
CountyTrousdale County
StateTennessee
Coordinates36.44942, -86.20872
Functional classRural Local

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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating67.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span12 ft (3.7 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2020)
Projected traffic320 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 A015 over Hawkins Branch built?

It was built in 1993, making it 32 years old in 2025.

What condition is Nfa A015 over Hawkins 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 February 2023.

How much traffic does Nfa A015 over Hawkins Branch carry?

About 200 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Nfa A015 over Hawkins Branch?

The structure is 53 ft (16.2 m) long with a longest span of 12 ft (3.7 m) and a deck 28 ft wide.

Who owns Nfa A015 over Hawkins Branch?

It is owned by the County Highway Agency.