US Bridges

Nfa 1723 (sa 3619) over Dean Branch

Fair

Hardin County, Tennessee · Old Town Bottle RD · Structure no. 36017230007

Built
1976
49 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete Continuous
Length
30 ft
2 main spans
Daily traffic
230
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1723 (sa 3619) over Dean Branch is a concrete continuous culvert carrying Nfa 1723 (sa 3619) over Dean Branch in Hardin County, Tennessee. It was built in 1976, so it is 49 years old, older 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 230 vehicles a day, roughly 3% of them trucks, projected to reach 304 by 2040. The structure is 30 ft (9.2 m) long and 32 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesNfa 1723 (sa 3619)
CrossesDean Branch
LocationOld Town Bottle RD
RouteCounty Highway 1723
CountyHardin County
StateTennessee
Coordinates35.11253, -88.11764
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating30.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length30 ft (9.2 m)
Longest span14 ft (4.2 m)
Deck width32 ft (9.7 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic230 (2021)
Projected traffic304 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 1723 (sa 3619) over Dean Branch built?

It was built in 1976, making it 49 years old in 2025.

What condition is Nfa 1723 (sa 3619) over Dean 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 April 2024.

How much traffic does Nfa 1723 (sa 3619) over Dean Branch carry?

About 230 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1723 (sa 3619) over Dean Branch?

The structure is 30 ft (9.2 m) long with a longest span of 14 ft (4.2 m) and a deck 32 ft wide.

Who owns Nfa 1723 (sa 3619) over Dean Branch?

It is owned by the County Highway Agency.