US Bridges

FAU 2 over Ravine -Lookout Mountain

FairPosted for load

Hamilton County, Tennessee · JCT of SR-148 · Structure no. 33SR0020009

Built
1935
90 years old
Condition
Fair
inspected December 2024
Type
Tee Beam
Concrete
Length
1,075 ft
36 main spans
Daily traffic
9,998
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 2 over Ravine -Lookout Mountain is a concrete tee beam carrying FAU 2 over Ravine -Lookout Mountain in Hamilton County, Tennessee. It was built in 1935, so it is 90 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 9,998 vehicles a day, roughly 4% of them trucks, projected to reach 14,232 by 2041. The structure is 1,075 ft (327.7 m) long and 43 ft wide. If it were closed, the detour would be 15.5 mi (25 km).

Location

Open in Google Maps
CarriesFAU 2
CrossesRavine -Lookout Mountain
LocationJCT of SR-148
RouteU.S. Route 11
CountyHamilton County
StateTennessee
Coordinates35.01985, -85.33728
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.2 US tons
Inventory rating17.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans36
Design loadH 15
Structure length1,075 ft (327.7 m)
Longest span43 ft (13.1 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,998 (2021)
Projected traffic14,232 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed15.5 mi (25 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$1.9 million (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU 2 over Ravine -Lookout Mountain built?

It was built in 1935, making it 90 years old in 2025.

What condition is FAU 2 over Ravine -Lookout Mountain 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 December 2024.

How much traffic does FAU 2 over Ravine -Lookout Mountain carry?

About 9,998 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 2 over Ravine -Lookout Mountain?

The structure is 1,075 ft (327.7 m) long with a longest span of 43 ft (13.1 m) and a deck 43 ft wide.

Who owns FAU 2 over Ravine -Lookout Mountain?

It is owned by the State Highway Agency.