US Bridges

Nfa 814 (sa 0913) over Overflow

Fair

Carroll County, Tennessee · 5.8 MI NW JCT I40&SR114 · Structure no. 09008140007

Built
2010
15 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
168 ft
3 main spans
Daily traffic
136
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 814 (sa 0913) over Overflow is a prestressed concrete continuous box beam or girders - multiple carrying Nfa 814 (sa 0913) over Overflow in Carroll County, Tennessee. It was built in 2010, so it is 15 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 136 vehicles a day, roughly 2% of them trucks, projected to reach 218 by 2042. The structure is 168 ft (51.2 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 814 (sa 0913)
CrossesOverflow
Location5.8 MI NW JCT I40&SR114
RouteCounty Highway 814
CountyCarroll County
StateTennessee
Coordinates35.89295, -88.31105
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
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 rating60 US tons
Inventory rating46.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length168 ft (51.2 m)
Longest span56 ft (17.2 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic136 (2021)
Projected traffic218 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 814 (sa 0913) over Overflow built?

It was built in 2010, making it 15 years old in 2025.

What condition is Nfa 814 (sa 0913) over Overflow 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 Nfa 814 (sa 0913) over Overflow carry?

About 136 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Nfa 814 (sa 0913) over Overflow?

The structure is 168 ft (51.2 m) long with a longest span of 56 ft (17.2 m) and a deck 26 ft wide.

Who owns Nfa 814 (sa 0913) over Overflow?

It is owned by the County Highway Agency.