US Bridges

Nfa A122 over Bull Run Creek

FairPosted for load

Union County, Tennessee · Just NW of Luttrell · Structure no. 870A1220001

Built
1955
70 years old, rebuilt 1973
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
90
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A122 over Bull Run Creek is a steel stringer/multi-beam or girder carrying Nfa A122 over Bull Run Creek in Union County, Tennessee. It was built in 1955 and reconstructed in 1973, so it is 70 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 90 vehicles a day, roughly 2% of them trucks, projected to reach 144 by 2041. The structure is 29 ft (8.9 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa A122
CrossesBull Run Creek
LocationJust NW of Luttrell
RouteCounty Highway 122
Coordinates36.21653, -83.77572
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating5 US tons
Inventory rating4 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length29 ft (8.9 m)
Longest span28 ft (8.6 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2020)
Projected traffic144 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$106,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A122 over Bull Run Creek built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1973.

What condition is Nfa A122 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 July 2024.

How much traffic does Nfa A122 over Bull Run Creek carry?

About 90 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A122 over Bull Run Creek?

The structure is 29 ft (8.9 m) long with a longest span of 28 ft (8.6 m) and a deck 20 ft wide.

Who owns Nfa A122 over Bull Run Creek?

It is owned by the County Highway Agency.