US Bridges

Nfa A158 over Branch Off Ollis Creek

Fair

Campbell County, Tennessee · W of SR9-N of Lafollette · Structure no. 070A1580005

Built
1984
41 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete Continuous
Length
39 ft
3 main spans
Daily traffic
60
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A158 over Branch Off Ollis Creek is a concrete continuous culvert carrying Nfa A158 over Branch Off Ollis Creek in Campbell County, Tennessee. It was built in 1984, so it is 41 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 5 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 60 vehicles a day, roughly 2% of them trucks, projected to reach 96 by 2042. The structure is 39 ft (11.9 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A158
CrossesBranch Off Ollis Creek
LocationW of SR9-N of Lafollette
RouteCounty Highway 158
Coordinates36.39432, -84.13036
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.6 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length39 ft (11.9 m)
Longest span12 ft (3.7 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2020)
Projected traffic96 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A158 over Branch Off Ollis Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Nfa A158 over Branch Off Ollis 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 April 2024.

How much traffic does Nfa A158 over Branch Off Ollis Creek carry?

About 60 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A158 over Branch Off Ollis Creek?

The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m) and a deck 26 ft wide.

Who owns Nfa A158 over Branch Off Ollis Creek?

It is owned by the County Highway Agency.