US Bridges

FAU 328 731089A over Southern Railway

Fair

Roane County, Tennessee · In Harriman City Limits · Structure no. 73SR0292001

Built
1985
40 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
136 ft
3 main spans
Daily traffic
2,287
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 328 731089A over Southern Railway is a prestressed concrete box beam or girders - multiple carrying FAU 328 731089A over Southern Railway in Roane County, Tennessee. It was built in 1985, so it is 40 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 2,287 vehicles a day, roughly 4% of them trucks, projected to reach 4,078 by 2042. The structure is 136 ft (41.5 m) long and 53 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

Location

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CarriesFAU 328 731089A
CrossesSouthern Railway
LocationIn Harriman City Limits
RouteState Highway 328
CountyRoane County
StateTennessee
Coordinates35.9392, -84.5458
Functional classUrban Minor Arterial

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.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating39.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length136 ft (41.5 m)
Longest span53 ft (16.2 m)
Deck width53 ft (16.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,287 (2021)
Projected traffic4,078 by 2042
Trucks4%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed24.9 mi (40 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$440,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU 328 731089A over Southern Railway built?

It was built in 1985, making it 40 years old in 2025.

What condition is FAU 328 731089A 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 May 2023.

How much traffic does FAU 328 731089A over Southern Railway carry?

About 2,287 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 328 731089A over Southern Railway?

The structure is 136 ft (41.5 m) long with a longest span of 53 ft (16.2 m) and a deck 53 ft wide.

Who owns FAU 328 731089A over Southern Railway?

It is owned by the State Highway Agency.