US Bridges

FAU 319 over Tennessee River

Fair

Hamilton County, Tennessee · SR-319 / Tenn. River · Structure no. 33006030001

Built
1976
49 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,351 ft
4 main spans
Daily traffic
22,602
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 319 over Tennessee River is a steel continuous stringer/multi-beam or girder carrying FAU 319 over Tennessee River in Hamilton County, Tennessee. It was built in 1976, so it is 49 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 22,602 vehicles a day, roughly 6% of them trucks, projected to reach 28,928 by 2042. The structure is 1,351 ft (411.8 m) long and 112 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesFAU 319
CrossesTennessee River
LocationSR-319 / Tenn. River
RouteState Highway 319
CountyHamilton County
StateTennessee
Coordinates35.09792, -85.25132
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.8 US tons
Inventory rating29.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length1,351 ft (411.8 m)
Longest span480 ft (146.3 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
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$77.7 million (2022 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was FAU 319 over Tennessee River built?

It was built in 1976, making it 49 years old in 2025.

What condition is FAU 319 over Tennessee River 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 April 2023.

How much traffic does FAU 319 over Tennessee River carry?

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

How long is FAU 319 over Tennessee River?

The structure is 1,351 ft (411.8 m) long with a longest span of 480 ft (146.3 m) and a deck 112 ft wide.

Who owns FAU 319 over Tennessee River?

It is owned by the State Highway Agency.