US Bridges

FAU 3784 730629P over Southern Railway

Good

Knox County, Tennessee · 1 MI S of I40-MORREL RD · Structure no. 47037840001

Built
1989
36 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
142 ft
3 main spans
Daily traffic
13,714
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3784 730629P over Southern Railway is a prestressed concrete continuous box beam or girders - multiple carrying FAU 3784 730629P over Southern Railway in Knox County, Tennessee. It was built in 1989, so it is 36 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 13,714 vehicles a day, roughly 4% of them trucks, projected to reach 22,880 by 2040. The structure is 142 ft (43.4 m) long and 77 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFAU 3784 730629P
CrossesSouthern Railway
Location1 MI S of I40-MORREL RD
RouteCity Street 3784
Coordinates35.91683, -84.03028
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 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 rating64.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length142 ft (43.4 m)
Longest span48 ft (14.5 m)
Deck width77 ft (23.5 m)
Roadway width65 ft (19.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,714 (2021)
Projected traffic22,880 by 2040
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU 3784 730629P over Southern Railway built?

It was built in 1989, making it 36 years old in 2025.

What condition is FAU 3784 730629P 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 June 2024.

How much traffic does FAU 3784 730629P over Southern Railway carry?

About 13,714 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 3784 730629P over Southern Railway?

The structure is 142 ft (43.4 m) long with a longest span of 48 ft (14.5 m) and a deck 77 ft wide.

Who owns FAU 3784 730629P over Southern Railway?

It is owned by the City or Municipal Highway Agency.