US Bridges

Nfa A366 (sa 0706) over Big Creek

Fair

Campbell County, Tennessee · SE of Lafollette at Lake · Structure no. 070A3660001

Built
1990
35 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
161 ft
2 main spans
Daily traffic
560
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A366 (sa 0706) over Big Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa A366 (sa 0706) over Big Creek in Campbell County, Tennessee. It was built in 1990, so it is 35 years old, younger 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 560 vehicles a day, roughly 2% of them trucks, projected to reach 896 by 2038. The structure is 161 ft (49.1 m) long and 25 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesNfa A366 (sa 0706)
CrossesBig Creek
LocationSE of Lafollette at Lake
RouteCounty Highway 366
CountyCampbell County
StateTennessee
Coordinates36.35988, -84.1133
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length161 ft (49.1 m)
Longest span80 ft (24.4 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic560 (2020)
Projected traffic896 by 2038
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 A366 (sa 0706) over Big Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Nfa A366 (sa 0706) 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 May 2024.

How much traffic does Nfa A366 (sa 0706) over Big Creek carry?

About 560 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A366 (sa 0706) over Big Creek?

The structure is 161 ft (49.1 m) long with a longest span of 80 ft (24.4 m) and a deck 25 ft wide.

Who owns Nfa A366 (sa 0706) over Big Creek?

It is owned by the County Highway Agency.