US Bridges

Nfa A205 over Overflow Branch

Good

Warren County, Tennessee · 2 MI East of SR56 · Structure no. 890A2050003

Built
1984
41 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete Continuous
Length
48 ft
3 main spans
Daily traffic
200
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A205 over Overflow Branch is a concrete continuous culvert carrying Nfa A205 over Overflow Branch in Warren County, Tennessee. It was built in 1984, so it is 41 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 200 vehicles a day, roughly 2% of them trucks, projected to reach 320 by 2042. The structure is 48 ft (14.6 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNfa A205
CrossesOverflow Branch
Location2 MI East of SR56
RouteCounty Highway 205
Coordinates35.7982, -85.76583
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span15 ft (4.6 m)
Deck width26 ft (8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2020)
Projected traffic320 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 A205 over Overflow Branch built?

It was built in 1984, making it 41 years old in 2025.

What condition is Nfa A205 over Overflow Branch 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 March 2023.

How much traffic does Nfa A205 over Overflow Branch carry?

About 200 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A205 over Overflow Branch?

The structure is 48 ft (14.6 m) long with a longest span of 15 ft (4.6 m) and a deck 26 ft wide.

Who owns Nfa A205 over Overflow Branch?

It is owned by the County Highway Agency.