US Bridges

Nfa A184 over Branch Big Creek

Fair

Hancock County, Tennessee · 1.8 M SE of SR33 at CO Li · Structure no. 340A1840001

Built
1978
47 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
30
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A184 over Branch Big Creek is a concrete continuous culvert carrying Nfa A184 over Branch Big Creek in Hancock County, Tennessee. It was built in 1978, so it is 47 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 30 vehicles a day, roughly 2% of them trucks, projected to reach 48 by 2039. The structure is 22 ft (6.8 m) long and 17 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A184
CrossesBranch Big Creek
Location1.8 M SE of SR33 at CO Li
RouteCounty Highway 184
Coordinates36.47683, -83.34852
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.7 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length22 ft (6.8 m)
Longest span11 ft (3.3 m)
Deck width17 ft (5.2 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2020)
Projected traffic48 by 2039
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$98,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A184 over Branch Big Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Nfa A184 over Branch Big Creek 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 July 2023.

How much traffic does Nfa A184 over Branch Big Creek carry?

About 30 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A184 over Branch Big Creek?

The structure is 22 ft (6.8 m) long with a longest span of 11 ft (3.3 m) and a deck 17 ft wide.

Who owns Nfa A184 over Branch Big Creek?

It is owned by the County Highway Agency.