US Bridges

FAU 3776 Ramp over FAU 3776 / S. Central Av

Fair

Knox County, Tennessee · Downtown Knoxville · Structure no. 47SR1580035

Built
1973
52 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
411 ft
6 main spans
Daily traffic
1,865
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3776 Ramp over FAU 3776 / S. Central Av is a concrete continuous box beam or girders - multiple carrying FAU 3776 Ramp over FAU 3776 / S. Central Av in Knox County, Tennessee. It was built in 1973, so it is 52 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,865 vehicles a day, roughly 9% of them trucks, projected to reach 4,229 by 2042. The structure is 411 ft (125.3 m) long and 40 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesFAU 3776 Ramp
CrossesFAU 3776 / S. Central Av
LocationDowntown Knoxville
RouteCity Street 3776
Coordinates35.96312, -83.91538
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45.7 US tons
Inventory rating36.4 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadH 20
Structure length411 ft (125.3 m)
Longest span86 ft (26.2 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,865 (2021)
Projected traffic4,229 by 2042
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes

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 3776 Ramp over FAU 3776 / S. Central Av built?

It was built in 1973, making it 52 years old in 2025.

What condition is FAU 3776 Ramp over FAU 3776 / S. Central Av in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.

How much traffic does FAU 3776 Ramp over FAU 3776 / S. Central Av carry?

About 1,865 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAU 3776 Ramp over FAU 3776 / S. Central Av?

The structure is 411 ft (125.3 m) long with a longest span of 86 ft (26.2 m) and a deck 40 ft wide.

Who owns FAU 3776 Ramp over FAU 3776 / S. Central Av?

It is owned by the City or Municipal Highway Agency.