US Bridges

FAP 30 over Conasauga Creek

Fair

McMinn County, Tennessee · 2.2 Miles South of Etowah · Structure no. 54SR0300023

Built
2005
20 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
328 ft
3 main spans
Daily traffic
6,276
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 30 over Conasauga Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying FAP 30 over Conasauga Creek in McMinn County, Tennessee. It was built in 2005, so it is 20 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 6,276 vehicles a day, roughly 10% of them trucks, projected to reach 10,184 by 2041. The structure is 328 ft (100 m) long and 85 ft wide. If it were closed, the detour would be 44.7 mi (72 km).

CarriesFAP 30
CrossesConasauga Creek
Location2.2 Miles South of Etowah
RouteU.S. Route 411
Coordinates35.28419, -84.54568
Functional classRural Principal Arterial - Other

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length328 ft (100 m)
Longest span110 ft (33.4 m)
Deck width85 ft (25.8 m)
Roadway width83 ft (25.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,276 (2021)
Projected traffic10,184 by 2041
Trucks10%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.7 mi (72 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 FAP 30 over Conasauga Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is FAP 30 over Conasauga 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 March 2023.

How much traffic does FAP 30 over Conasauga Creek carry?

About 6,276 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is FAP 30 over Conasauga Creek?

The structure is 328 ft (100 m) long with a longest span of 110 ft (33.4 m) and a deck 85 ft wide.

Who owns FAP 30 over Conasauga Creek?

It is owned by the State Highway Agency.