US Bridges

FAU 169 over Middlebrook Pk / I-75

Fair

Knox County, Tennessee · In Knoxville · Structure no. 47I00750007

Built
1981
44 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
290 ft
2 main spans
Daily traffic
13,522
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 169 over Middlebrook Pk / I-75 is a concrete continuous box beam or girders - multiple carrying FAU 169 over Middlebrook Pk / I-75 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 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 13,522 vehicles a day, roughly 4% of them trucks, projected to reach 26,944 by 2041. The structure is 290 ft (88.4 m) long and 87 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFAU 169
CrossesMiddlebrook Pk / I-75
LocationIn Knoxville
RouteCity Street 169
CountyKnox County
StateTennessee
Coordinates35.96197, -83.97487
Functional classUrban Minor 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.7 US tons
Inventory rating30.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length290 ft (88.4 m)
Longest span145 ft (44.2 m)
Deck width87 ft (26.6 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,522 (2021)
Projected traffic26,944 by 2041
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU 169 over Middlebrook Pk / I-75 built?

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

What condition is FAU 169 over Middlebrook Pk / I-75 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 2025.

How much traffic does FAU 169 over Middlebrook Pk / I-75 carry?

About 13,522 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 169 over Middlebrook Pk / I-75?

The structure is 290 ft (88.4 m) long with a longest span of 145 ft (44.2 m) and a deck 87 ft wide.

Who owns FAU 169 over Middlebrook Pk / I-75?

It is owned by the State Highway Agency.