US Bridges

FAU 3775 730612L over Southern RR

Good

Knox County, Tennessee · Gay ST in Knoxville · Structure no. 47L37750003

Built
2007
18 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
492 ft
4 main spans
Daily traffic
2,085
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3775 730612L over Southern RR is a steel continuous stringer/multi-beam or girder carrying FAU 3775 730612L over Southern RR in Knox County, Tennessee. It was built in 2007, so it is 18 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 2,085 vehicles a day, roughly 4% of them trucks, projected to reach 3,584 by 2040. The structure is 492 ft (150 m) long and 73 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFAU 3775 730612L
CrossesSouthern RR
LocationGay ST in Knoxville
RouteCity Street 3775
Coordinates35.96948, -83.92198
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJune 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 rating73.5 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length492 ft (150 m)
Longest span143 ft (43.6 m)
Deck width73 ft (22.3 m)
Roadway width54 ft (16.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,085 (2021)
Projected traffic3,584 by 2040
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed5 mi (8 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU 3775 730612L over Southern RR built?

It was built in 2007, making it 18 years old in 2025.

What condition is FAU 3775 730612L over Southern RR 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 June 2024.

How much traffic does FAU 3775 730612L over Southern RR carry?

About 2,085 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 3775 730612L over Southern RR?

The structure is 492 ft (150 m) long with a longest span of 143 ft (43.6 m) and a deck 73 ft wide.

Who owns FAU 3775 730612L over Southern RR?

It is owned by the City or Municipal Highway Agency.