US Bridges

FAU 2 over South Chickamauga Creek

Fair

Hamilton County, Tennessee · 2.01 Mi. W of SR-153 Jct. · Structure no. 33SR0020023

Built
1993
32 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
414 ft
5 main spans
Daily traffic
33,114
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 2 over South Chickamauga Creek is a prestressed concrete continuous box beam or girders - single or spread carrying FAU 2 over South Chickamauga Creek in Hamilton County, Tennessee. It was built in 1993, so it is 32 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 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 33,114 vehicles a day, roughly 9% of them trucks, projected to reach 41,888 by 2041. The structure is 414 ft (126.2 m) long and 97 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesFAU 2
CrossesSouth Chickamauga Creek
Location2.01 Mi. W of SR-153 Jct.
RouteU.S. Route 11
Coordinates35.01426, -85.21074
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.3 US tons
Inventory rating42.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length414 ft (126.2 m)
Longest span87 ft (26.5 m)
Deck width97 ft (29.5 m)
Roadway width89 ft (27 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,114 (2021)
Projected traffic41,888 by 2041
Trucks9%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 2 over South Chickamauga Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is FAU 2 over South Chickamauga Creek 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 October 2024.

How much traffic does FAU 2 over South Chickamauga Creek carry?

About 33,114 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAU 2 over South Chickamauga Creek?

The structure is 414 ft (126.2 m) long with a longest span of 87 ft (26.5 m) and a deck 97 ft wide.

Who owns FAU 2 over South Chickamauga Creek?

It is owned by the State Highway Agency.