US Bridges

FAU 33 347582T over CSX Railroad

Good

Knox County, Tennessee · 2 M NE of SR71 · Structure no. 47SR0330007

Built
1986
39 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
221 ft
3 main spans
Daily traffic
5,874
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 33 347582T over CSX Railroad is a prestressed concrete box beam or girders - single or spread carrying FAU 33 347582T over CSX Railroad in Knox County, Tennessee. It was built in 1986, so it is 39 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,874 vehicles a day, roughly 4% of them trucks, projected to reach 9,310 by 2041. The structure is 221 ft (67.4 m) long and 38 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesFAU 33 347582T
CrossesCSX Railroad
Location2 M NE of SR71
RouteState Highway 33
Coordinates35.92043, -83.92702
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating89.3 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length221 ft (67.4 m)
Longest span83 ft (25.3 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,874 (2021)
Projected traffic9,310 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed34.8 mi (56 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU 33 347582T over CSX Railroad built?

It was built in 1986, making it 39 years old in 2025.

What condition is FAU 33 347582T over CSX Railroad in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does FAU 33 347582T over CSX Railroad carry?

About 5,874 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 33 347582T over CSX Railroad?

The structure is 221 ft (67.4 m) long with a longest span of 83 ft (25.3 m) and a deck 38 ft wide.

Who owns FAU 33 347582T over CSX Railroad?

It is owned by the State Highway Agency.