US Bridges

FAU 5649 over Liberty St. / I40

Good

Knox County, Tennessee · .3 M NE of Morris Ave · Structure no. 47I00400043

Built
1981
44 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
248 ft
2 main spans
Daily traffic
8,182
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 5649 over Liberty St. / I40 is a steel continuous stringer/multi-beam or girder carrying FAU 5649 over Liberty St. / I40 in Knox County, Tennessee. It was built in 1981, so it is 44 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 8,182 vehicles a day, roughly 1% of them trucks, projected to reach 17,488 by 2041. The structure is 248 ft (75.7 m) long and 73 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFAU 5649
CrossesLiberty St. / I40
Location.3 M NE of Morris Ave
RouteCity Street 5649
CountyKnox County
StateTennessee
Coordinates35.95935, -83.96557
Functional classUrban Collector

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 inspectionOctober 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 rating81.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length248 ft (75.7 m)
Longest span136 ft (41.6 m)
Deck width73 ft (22.3 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,182 (2021)
Projected traffic17,488 by 2041
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$2,000 (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU 5649 over Liberty St. / I40 built?

It was built in 1981, making it 44 years old in 2025.

What condition is FAU 5649 over Liberty St. / I40 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 2024.

How much traffic does FAU 5649 over Liberty St. / I40 carry?

About 8,182 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is FAU 5649 over Liberty St. / I40?

The structure is 248 ft (75.7 m) long with a longest span of 136 ft (41.6 m) and a deck 73 ft wide.

Who owns FAU 5649 over Liberty St. / I40?

It is owned by the State Highway Agency.