US Bridges

Nfa E071 (sa 4719) over Bull Run Creek

Fair

Knox County, Tennessee · NE of US441-ANDERSONVL Pk · Structure no. 470E0710001

Built
1965
60 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
141 ft
2 main spans
Daily traffic
200
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa E071 (sa 4719) over Bull Run Creek is a prestressed concrete stringer/multi-beam or girder carrying Nfa E071 (sa 4719) over Bull Run Creek in Knox County, Tennessee. It was built in 1965, so it is 60 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 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 200 vehicles a day, roughly 2% of them trucks, projected to reach 320 by 2040. The structure is 141 ft (43.1 m) long and 22 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesNfa E071 (sa 4719)
CrossesBull Run Creek
LocationNE of US441-ANDERSONVL Pk
RouteCounty Highway 71
CountyKnox County
StateTennessee
Coordinates36.13302, -83.97993
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
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 rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length141 ft (43.1 m)
Longest span71 ft (21.6 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2020)
Projected traffic320 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa E071 (sa 4719) over Bull Run Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Nfa E071 (sa 4719) 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 June 2024.

How much traffic does Nfa E071 (sa 4719) over Bull Run Creek carry?

About 200 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa E071 (sa 4719) over Bull Run Creek?

The structure is 141 ft (43.1 m) long with a longest span of 71 ft (21.6 m) and a deck 22 ft wide.

Who owns Nfa E071 (sa 4719) over Bull Run Creek?

It is owned by the County Highway Agency.