US Bridges

FAP 29 731087L over Southern Railway

FairPosted for load

Roane County, Tennessee · In Harriman · Structure no. 73SR0290005

Built
1967
58 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
263 ft
3 main spans
Daily traffic
11,559
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 29 731087L over Southern Railway is a steel continuous stringer/multi-beam or girder carrying FAP 29 731087L over Southern Railway in Roane County, Tennessee. It was built in 1967, so it is 58 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. Its operating status is: posted for load restriction.

It carries about 11,559 vehicles a day, roughly 9% of them trucks, projected to reach 16,890 by 2041. The structure is 263 ft (80.2 m) long and 64 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesFAP 29 731087L
CrossesSouthern Railway
LocationIn Harriman
RouteU.S. Route 27
CountyRoane County
StateTennessee
Coordinates35.94125, -84.54187
Functional classUrban Other Principal 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.8 US tons
Inventory rating16.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length263 ft (80.2 m)
Longest span130 ft (39.6 m)
Deck width64 ft (19.4 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,559 (2021)
Projected traffic16,890 by 2041
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed9.9 mi (16 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$4 million (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAP 29 731087L over Southern Railway built?

It was built in 1967, making it 58 years old in 2025.

What condition is FAP 29 731087L 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 FAP 29 731087L over Southern Railway carry?

About 11,559 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAP 29 731087L over Southern Railway?

The structure is 263 ft (80.2 m) long with a longest span of 130 ft (39.6 m) and a deck 64 ft wide.

Who owns FAP 29 731087L over Southern Railway?

It is owned by the State Highway Agency.