US Bridges

Nfa A166 (sa 3823) over Branch

Good

Haywood County, Tennessee · 1.2 MI SW JCT I40&SR19 · Structure no. 380A1660001

Built
1999
26 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete Continuous
Length
37 ft
2 main spans
Daily traffic
200
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A166 (sa 3823) over Branch is a concrete continuous culvert carrying Nfa A166 (sa 3823) over Branch in Haywood County, Tennessee. It was built in 1999, so it is 26 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 10% of them trucks, projected to reach 320 by 2041. The structure is 37 ft (11.3 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa A166 (sa 3823)
CrossesBranch
Location1.2 MI SW JCT I40&SR19
RouteCounty Highway 166
Coordinates35.54175, -89.2
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span15 ft (4.6 m)
Deck width30 ft (9.1 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2020)
Projected traffic320 by 2041
Trucks10%
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 A166 (sa 3823) over Branch built?

It was built in 1999, making it 26 years old in 2025.

What condition is Nfa A166 (sa 3823) over 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 August 2023.

How much traffic does Nfa A166 (sa 3823) over Branch carry?

About 200 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Nfa A166 (sa 3823) over Branch?

The structure is 37 ft (11.3 m) long with a longest span of 15 ft (4.6 m) and a deck 30 ft wide.

Who owns Nfa A166 (sa 3823) over Branch?

It is owned by the County Highway Agency.