US Bridges

Nfa A353 730179V over Southern Railway

Fair

Hawkins County, Tennessee · .4 M SE of US11W-SR346 Jc · Structure no. 370A3530001

Built
1960
65 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete Continuous
Length
134 ft
3 main spans
Daily traffic
210
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A353 730179V over Southern Railway is a concrete continuous tee beam carrying Nfa A353 730179V over Southern Railway in Hawkins County, Tennessee. It was built in 1960, so it is 65 years old, older 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 210 vehicles a day, roughly 2% of them trucks, projected to reach 336 by 2042. The structure is 134 ft (40.8 m) long and 29 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesNfa A353 730179V
CrossesSouthern Railway
Location.4 M SE of US11W-SR346 Jc
RouteCounty Highway 353
CountyHawkins County
StateTennessee
Coordinates36.50093, -82.79025
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating34.6 US tons
Inventory rating20.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length134 ft (40.8 m)
Longest span52 ft (15.8 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2020)
Projected traffic336 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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$904,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa A353 730179V over Southern Railway built?

It was built in 1960, making it 65 years old in 2025.

What condition is Nfa A353 730179V over Southern Railway 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 July 2023.

How much traffic does Nfa A353 730179V over Southern Railway carry?

About 210 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A353 730179V over Southern Railway?

The structure is 134 ft (40.8 m) long with a longest span of 52 ft (15.8 m) and a deck 29 ft wide.

Who owns Nfa A353 730179V over Southern Railway?

It is owned by the County Highway Agency.