US Bridges

Nfa A224 over Big Creek

Fair

Hawkins County, Tennessee · 6 M NE of SR70-SR94 Jct. · Structure no. 370A2240001

Built
1973
52 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete
Length
32 ft
2 main spans
Daily traffic
190
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A224 over Big Creek is a concrete slab carrying Nfa A224 over Big Creek in Hawkins County, Tennessee. It was built in 1973, so it is 52 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 5 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 190 vehicles a day, roughly 2% of them trucks, projected to reach 304 by 2042. The structure is 32 ft (9.8 m) long and 15 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A224
CrossesBig Creek
Location6 M NE of SR70-SR94 Jct.
RouteCounty Highway 224
Coordinates36.51126, -82.8993
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating26.8 US tons
Inventory rating20.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length32 ft (9.8 m)
Longest span15 ft (4.5 m)
Deck width15 ft (4.7 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic190 (2020)
Projected traffic304 by 2042
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 with deck rehabilitation or replacement
Estimated improvement cost$188,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A224 over Big Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Nfa A224 over 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 A224 over Big Creek carry?

About 190 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A224 over Big Creek?

The structure is 32 ft (9.8 m) long with a longest span of 15 ft (4.5 m) and a deck 15 ft wide.

Who owns Nfa A224 over Big Creek?

It is owned by the County Highway Agency.