US Bridges

FAU 3774 730560W over E.Fk. Third CR & Sou. RR

Fair

Knox County, Tennessee · 1 MI S. of Looney Islands · Structure no. 47037740003

Built
1974
51 years old
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
156 ft
2 main spans
Daily traffic
10,389
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3774 730560W over E.Fk. Third CR & Sou. RR is a prestressed concrete box beam or girders - multiple carrying FAU 3774 730560W over E.Fk. Third CR & Sou. RR in Knox County, Tennessee. It was built in 1974, so it is 51 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.

It carries about 10,389 vehicles a day, roughly 3% of them trucks, projected to reach 18,800 by 2040. The structure is 156 ft (47.7 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAU 3774 730560W
CrossesE.Fk. Third CR & Sou. RR
Location1 MI S. of Looney Islands
RouteCity Street 3774
Coordinates35.9585, -83.94944
Functional classUrban Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadHS 20
Structure length156 ft (47.7 m)
Longest span88 ft (26.8 m)
Deck width47 ft (14.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,389 (2021)
Projected traffic18,800 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad and waterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 3774 730560W over E.Fk. Third CR & Sou. RR built?

It was built in 1974, making it 51 years old in 2025.

What condition is FAU 3774 730560W over E.Fk. Third CR & Sou. RR 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 March 2024.

How much traffic does FAU 3774 730560W over E.Fk. Third CR & Sou. RR carry?

About 10,389 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is FAU 3774 730560W over E.Fk. Third CR & Sou. RR?

The structure is 156 ft (47.7 m) long with a longest span of 88 ft (26.8 m) and a deck 47 ft wide.

Who owns FAU 3774 730560W over E.Fk. Third CR & Sou. RR?

It is owned by the City or Municipal Highway Agency.