US Bridges

Nfa A352 730177G over Southern Railway

Fair

Hawkins County, Tennessee · .5 M SE of US11W-SR346 Jc · Structure no. 370A3520001

Built
1959
66 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete Continuous
Length
145 ft
3 main spans
Daily traffic
2,300
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A352 730177G over Southern Railway is a concrete continuous tee beam carrying Nfa A352 730177G over Southern Railway in Hawkins County, Tennessee. It was built in 1959, so it is 66 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 5 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 2,300 vehicles a day, roughly 2% of them trucks, projected to reach 3,680 by 2042. The structure is 145 ft (44.2 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNfa A352 730177G
CrossesSouthern Railway
Location.5 M SE of US11W-SR346 Jc
RouteCounty Highway 352
CountyHawkins County
StateTennessee
Coordinates36.50173, -82.78812
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.4 US tons
Inventory rating28.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length145 ft (44.2 m)
Longest span62 ft (18.9 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2020)
Projected traffic3,680 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.2 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa A352 730177G over Southern Railway built?

It was built in 1959, making it 66 years old in 2025.

What condition is Nfa A352 730177G 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 A352 730177G over Southern Railway carry?

About 2,300 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A352 730177G over Southern Railway?

The structure is 145 ft (44.2 m) long with a longest span of 62 ft (18.9 m) and a deck 34 ft wide.

Who owns Nfa A352 730177G over Southern Railway?

It is owned by the County Highway Agency.