US Bridges

Nfa A442 (sa 7219) over Brown Branch

Good

Rhea County, Tennessee · 5MI South of SR 30 · Structure no. 720A4420001

Built
1938
87 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
1,290
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A442 (sa 7219) over Brown Branch is a concrete continuous culvert carrying Nfa A442 (sa 7219) over Brown Branch in Rhea County, Tennessee. It was built in 1938, so it is 87 years old, older 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 1,290 vehicles a day, roughly 10% of them trucks, projected to reach 2,064 by 2040. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A442 (sa 7219)
CrossesBrown Branch
Location5MI South of SR 30
RouteCounty Highway 442
Coordinates35.48572, -84.93868
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating30.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,290 (2020)
Projected traffic2,064 by 2040
Trucks10%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$191,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A442 (sa 7219) over Brown Branch built?

It was built in 1938, making it 87 years old in 2025.

What condition is Nfa A442 (sa 7219) over Brown 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 October 2024.

How much traffic does Nfa A442 (sa 7219) over Brown Branch carry?

About 1,290 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Nfa A442 (sa 7219) over Brown Branch?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns Nfa A442 (sa 7219) over Brown Branch?

It is owned by the County Highway Agency.