US Bridges

FAU 319 over Southern Railway

Fair

Hamilton County, Tennessee · .5 Mi. N. of Tn. Rv. · Structure no. 33006030015

Built
1978
47 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
189 ft
3 main spans
Daily traffic
22,602
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 319 over Southern Railway is a prestressed concrete continuous stringer/multi-beam or girder carrying FAU 319 over Southern Railway in Hamilton County, Tennessee. It was built in 1978, so it is 47 years old, younger 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 22,602 vehicles a day, roughly 6% of them trucks, projected to reach 28,928 by 2042. The structure is 189 ft (57.6 m) long and 112 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesFAU 319
CrossesSouthern Railway
Location.5 Mi. N. of Tn. Rv.
RouteState Highway 319
CountyHamilton County
StateTennessee
Coordinates35.1038, -85.25473
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadH 20
Structure length189 ft (57.6 m)
Longest span63 ft (19.2 m)
Deck width112 ft (34.1 m)
Roadway width110 ft (33.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,602 (2021)
Projected traffic28,928 by 2042
Trucks6%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 FAU 319 over Southern Railway built?

It was built in 1978, making it 47 years old in 2025.

What condition is FAU 319 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 December 2024.

How much traffic does FAU 319 over Southern Railway carry?

About 22,602 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAU 319 over Southern Railway?

The structure is 189 ft (57.6 m) long with a longest span of 63 ft (19.2 m) and a deck 112 ft wide.

Who owns FAU 319 over Southern Railway?

It is owned by the State Highway Agency.