US Bridges

Nfa 1728 (sa 4001) over Branch

Fair

Henry County, Tennessee · 1.7 Mi. NW of Henry · Structure no. 40017280001

Built
1991
34 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
39 ft
3 main spans
Daily traffic
349
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1728 (sa 4001) over Branch is a concrete continuous culvert carrying Nfa 1728 (sa 4001) over Branch in Henry County, Tennessee. It was built in 1991, so it is 34 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 349 vehicles a day, roughly 3% of them trucks, projected to reach 558 by 2042. The structure is 39 ft (11.9 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesNfa 1728 (sa 4001)
CrossesBranch
Location1.7 Mi. NW of Henry
RouteCounty Highway 1728
CountyHenry County
StateTennessee
Coordinates36.20436, -88.43325
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating67.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span12 ft (3.7 m)
Deck width31 ft (9.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic349 (2021)
Projected traffic558 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 1728 (sa 4001) over Branch built?

It was built in 1991, making it 34 years old in 2025.

What condition is Nfa 1728 (sa 4001) over Branch 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 September 2023.

How much traffic does Nfa 1728 (sa 4001) over Branch carry?

About 349 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1728 (sa 4001) over Branch?

The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m) and a deck 31 ft wide.

Who owns Nfa 1728 (sa 4001) over Branch?

It is owned by the County Highway Agency.