US Bridges

Nfa A217 over Big Creek

Fair

Hawkins County, Tennessee · 3.5 M N of SR346-US11W Jc · Structure no. 370A2170001

Built
1975
50 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete
Length
41 ft
2 main spans
Daily traffic
370
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A217 over Big Creek is a concrete slab carrying Nfa A217 over Big Creek in Hawkins County, Tennessee. It was built in 1975, so it is 50 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 370 vehicles a day, roughly 2% of them trucks, projected to reach 592 by 2042. The structure is 41 ft (12.4 m) long and 22 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNfa A217
CrossesBig Creek
Location3.5 M N of SR346-US11W Jc
RouteCounty Highway 217
Coordinates36.51483, -82.89178
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating28.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length41 ft (12.4 m)
Longest span19 ft (5.7 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic370 (2020)
Projected traffic592 by 2042
Trucks2%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$149,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A217 over Big Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Nfa A217 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 A217 over Big Creek carry?

About 370 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A217 over Big Creek?

The structure is 41 ft (12.4 m) long with a longest span of 19 ft (5.7 m) and a deck 22 ft wide.

Who owns Nfa A217 over Big Creek?

It is owned by the County Highway Agency.