US Bridges

FAU 3773 730481K over Southern Railway

Good

Knox County, Tennessee · N. of I640 - I40 Jct. · Structure no. 47037730007

Built
1992
33 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
149 ft
3 main spans
Daily traffic
18,004
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3773 730481K over Southern Railway is a prestressed concrete continuous stringer/multi-beam or girder carrying FAU 3773 730481K over Southern Railway in Knox County, Tennessee. It was built in 1992, so it is 33 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 18,004 vehicles a day, roughly 6% of them trucks, projected to reach 28,806 by 2042. The structure is 149 ft (45.4 m) long and 44 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFAU 3773 730481K
CrossesSouthern Railway
LocationN. of I640 - I40 Jct.
RouteCity Street 3773
CountyKnox County
StateTennessee
Coordinates36.0359, -83.86819
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.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
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 alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length149 ft (45.4 m)
Longest span67 ft (20.4 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,004 (2021)
Projected traffic28,806 by 2042
Trucks6%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.1 mi (5 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$407,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU 3773 730481K over Southern Railway built?

It was built in 1992, making it 33 years old in 2025.

What condition is FAU 3773 730481K over Southern Railway 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 March 2024.

How much traffic does FAU 3773 730481K over Southern Railway carry?

About 18,004 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAU 3773 730481K over Southern Railway?

The structure is 149 ft (45.4 m) long with a longest span of 67 ft (20.4 m) and a deck 44 ft wide.

Who owns FAU 3773 730481K over Southern Railway?

It is owned by the City or Municipal Highway Agency.