US Bridges

FAS 71 over Bull Run Creek

FairPosted for load

Knox County, Tennessee · .4 M NW of Pedigo RD · Structure no. 47SR0710003

Built
1934
91 years old, rebuilt 1966
Condition
Fair
inspected January 2024
Type
Tee Beam
Concrete Continuous
Length
131 ft
3 main spans
Daily traffic
7,379
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 71 over Bull Run Creek is a concrete continuous tee beam carrying FAS 71 over Bull Run Creek in Knox County, Tennessee. It was built in 1934 and reconstructed in 1966, so it is 91 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. Its operating status is: posted for load restriction.

It carries about 7,379 vehicles a day, roughly 4% of them trucks, projected to reach 11,245 by 2042. The structure is 131 ft (39.9 m) long and 35 ft wide. If it were closed, the detour would be 41 mi (66 km).

CarriesFAS 71
CrossesBull Run Creek
Location.4 M NW of Pedigo RD
RouteU.S. Route 441
Coordinates36.11431, -83.98755
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 alignment6: Equal to present minimum criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length131 ft (39.9 m)
Longest span51 ft (15.5 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,379 (2021)
Projected traffic11,245 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed41 mi (66 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$496,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 71 over Bull Run Creek built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1966.

What condition is FAS 71 over Bull Run 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 January 2024.

How much traffic does FAS 71 over Bull Run Creek carry?

About 7,379 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAS 71 over Bull Run Creek?

The structure is 131 ft (39.9 m) long with a longest span of 51 ft (15.5 m) and a deck 35 ft wide.

Who owns FAS 71 over Bull Run Creek?

It is owned by the State Highway Agency.