US Bridges

FAU 2 over Chattanooga Creek&csx RR

Fair

Hamilton County, Tennessee · 0.58 Mi. S of I-24 Jct. · Structure no. 33SR0020013

Built
1968
57 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
366 ft
7 main spans
Daily traffic
24,932
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 2 over Chattanooga Creek&csx RR is a prestressed concrete box beam or girders - single or spread carrying FAU 2 over Chattanooga Creek&csx RR in Hamilton County, Tennessee. It was built in 1968, so it is 57 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.

It carries about 24,932 vehicles a day, roughly 7% of them trucks, projected to reach 32,914 by 2041. The structure is 366 ft (111.5 m) long and 80 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesFAU 2
CrossesChattanooga Creek&csx RR
Location0.58 Mi. S of I-24 Jct.
RouteU.S. Route 11
CountyHamilton County
StateTennessee
Coordinates35.02284, -85.31937
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.8 US tons
Inventory rating29.3 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length366 ft (111.5 m)
Longest span60 ft (18.3 m)
Deck width80 ft (24.4 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,932 (2021)
Projected traffic32,914 by 2041
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad and waterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$5.8 million (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 2 over Chattanooga Creek&csx RR built?

It was built in 1968, making it 57 years old in 2025.

What condition is FAU 2 over Chattanooga Creek&csx RR 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 September 2024.

How much traffic does FAU 2 over Chattanooga Creek&csx RR carry?

About 24,932 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is FAU 2 over Chattanooga Creek&csx RR?

The structure is 366 ft (111.5 m) long with a longest span of 60 ft (18.3 m) and a deck 80 ft wide.

Who owns FAU 2 over Chattanooga Creek&csx RR?

It is owned by the State Highway Agency.