US Bridges

FAS 74 over Overflow Conasauga River

Good

Bradley County, Tennessee · On Georgia State Line · Structure no. 06SR0740001

Built
2011
14 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
180 ft
3 main spans
Daily traffic
1,896
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 74 over Overflow Conasauga River is a prestressed concrete continuous box beam or girders - single or spread carrying FAS 74 over Overflow Conasauga River in Bradley County, Tennessee. It was built in 2011, so it is 14 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,896 vehicles a day, roughly 5% of them trucks, projected to reach 2,734 by 2041. The structure is 180 ft (54.9 m) long and 33 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesFAS 74
CrossesOverflow Conasauga River
LocationOn Georgia State Line
RouteState Highway 74
Coordinates34.9881, -84.77602
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
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 evaluation7: Better than 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 rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length180 ft (54.9 m)
Longest span100 ft (30.5 m)
Deck width33 ft (10.1 m)
Roadway width32 ft (9.8 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 closed123.7 mi (199 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.3 million (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 74 over Overflow Conasauga River built?

It was built in 2011, making it 14 years old in 2025.

What condition is FAS 74 over Overflow Conasauga River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does FAS 74 over Overflow Conasauga River carry?

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

How long is FAS 74 over Overflow Conasauga River?

The structure is 180 ft (54.9 m) long with a longest span of 100 ft (30.5 m) and a deck 33 ft wide.

Who owns FAS 74 over Overflow Conasauga River?

It is owned by the State Highway Agency.