US Bridges

FAS 347 over Big Creek

PoorPosted for load

Hawkins County, Tennessee · 0.2 M FM Mckinney RD · Structure no. 37S23670001

Built
1941
84 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
86 ft
2 main spans
Daily traffic
1,147
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 347 over Big Creek is a steel stringer/multi-beam or girder carrying FAS 347 over Big Creek in Hawkins County, Tennessee. It was built in 1941, so it is 84 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 1,147 vehicles a day, roughly 5% of them trucks, projected to reach 1,835 by 2042. The structure is 86 ft (26.2 m) long and 21 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesFAS 347
CrossesBig Creek
Location0.2 M FM Mckinney RD
RouteState Highway 347
Coordinates36.41793, -82.95213
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating15.3 US tons
Inventory rating11.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length86 ft (26.2 m)
Longest span41 ft (12.5 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,147 (2021)
Projected traffic1,835 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$401,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 347 over Big Creek built?

It was built in 1941, making it 84 years old in 2025.

What condition is FAS 347 over Big Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does FAS 347 over Big Creek carry?

About 1,147 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 347 over Big Creek?

The structure is 86 ft (26.2 m) long with a longest span of 41 ft (12.5 m) and a deck 21 ft wide.

Who owns FAS 347 over Big Creek?

It is owned by the State Highway Agency.