US Bridges

FAS 74 over Conasauga River

Fair

Bradley County, Tennessee · .15 Mi.N.Of Georgia · Structure no. 06SR0740003

Built
2013
12 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
440 ft
5 main spans
Daily traffic
1,896
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 74 over Conasauga River is a prestressed concrete continuous box beam or girders - single or spread carrying FAS 74 over Conasauga River in Bradley County, Tennessee. It was built in 2013, so it is 12 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 1,896 vehicles a day, roughly 5% of them trucks, projected to reach 2,734 by 2041. The structure is 440 ft (134.1 m) long and 33 ft wide. If it were closed, the detour would be 37.9 mi (61 km).

CarriesFAS 74
CrossesConasauga River
Location.15 Mi.N.Of Georgia
RouteState Highway 74
Coordinates34.9899, -84.77548
Functional classRural Major Collector

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.4 US tons
Inventory rating62.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length440 ft (134.1 m)
Longest span100 ft (30.5 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,896 (2021)
Projected traffic2,734 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.9 mi (61 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 74 over Conasauga River built?

It was built in 2013, making it 12 years old in 2025.

What condition is FAS 74 over Conasauga River 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 August 2023.

How much traffic does FAS 74 over Conasauga River carry?

About 1,896 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 74 over Conasauga River?

The structure is 440 ft (134.1 m) long with a longest span of 100 ft (30.5 m) and a deck 33 ft wide.

Who owns FAS 74 over Conasauga River?

It is owned by the State Highway Agency.