US Bridges

Nfa A030 over Southern Railway

Good

Hawkins County, Tennessee · In Bulls Gap-S of US11E · Structure no. 370A0300001

Built
2012
13 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
76 ft
1 main span
Daily traffic
630
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A030 over Southern Railway is a prestressed concrete box beam or girders - single or spread carrying Nfa A030 over Southern Railway in Hawkins County, Tennessee. It was built in 2012, so it is 13 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 630 vehicles a day, roughly 2% of them trucks, projected to reach 1,008 by 2042. The structure is 76 ft (23.1 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNfa A030
CrossesSouthern Railway
LocationIn Bulls Gap-S of US11E
RouteCity Street 30
Coordinates36.25433, -83.0867
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length76 ft (23.1 m)
Longest span72 ft (21.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic630 (2020)
Projected traffic1,008 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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa A030 over Southern Railway built?

It was built in 2012, making it 13 years old in 2025.

What condition is Nfa A030 over Southern Railway 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 July 2023.

How much traffic does Nfa A030 over Southern Railway carry?

About 630 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A030 over Southern Railway?

The structure is 76 ft (23.1 m) long with a longest span of 72 ft (21.8 m) and a deck 26 ft wide.

Who owns Nfa A030 over Southern Railway?

It is owned by the City or Municipal Highway Agency.