US Bridges

Nfa A113 over Young Branch

Good

Smith County, Tennessee · 4.9 MI NW JCT SR80&SR85 · Structure no. 800A1130001

Built
1983
42 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete Continuous
Length
34 ft
2 main spans
Daily traffic
80
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A113 over Young Branch is a concrete continuous culvert carrying Nfa A113 over Young Branch in Smith 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 80 vehicles a day, roughly 1% of them trucks, projected to reach 128 by 2042. The structure is 34 ft (10.4 m) long and 17 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A113
CrossesYoung Branch
Location4.9 MI NW JCT SR80&SR85
RouteCounty Highway 113
Coordinates36.37582, -86.0257
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 inspectionJune 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 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 length34 ft (10.4 m)
Longest span15 ft (4.6 m)
Deck width17 ft (5.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2020)
Projected traffic128 by 2042
Trucks1%
Lanes on structure1
Traffic directionOne-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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$196,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A113 over Young Branch built?

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

What condition is Nfa A113 over Young 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 June 2023.

How much traffic does Nfa A113 over Young Branch carry?

About 80 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa A113 over Young Branch?

The structure is 34 ft (10.4 m) long with a longest span of 15 ft (4.6 m) and a deck 17 ft wide.

Who owns Nfa A113 over Young Branch?

It is owned by the County Highway Agency.