US Bridges

Nfa A158 over Ollis Creek

Fair

Campbell County, Tennessee · W of SR9-N of Lafollette · Structure no. 070A1580003

Built
1994
31 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete Continuous
Length
49 ft
3 main spans
Daily traffic
380
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A158 over Ollis Creek is a concrete continuous culvert carrying Nfa A158 over Ollis Creek in Campbell County, Tennessee. It was built in 1994, so it is 31 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 380 vehicles a day, roughly 2% of them trucks, projected to reach 608 by 2042. The structure is 49 ft (14.9 m) long and 34 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A158
CrossesOllis Creek
LocationW of SR9-N of Lafollette
RouteCounty Highway 158
Coordinates36.39567, -84.12815
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length49 ft (14.9 m)
Longest span15 ft (4.6 m)
Deck width34 ft (10.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic380 (2020)
Projected traffic608 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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A158 over Ollis Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Nfa A158 over 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 Ollis Creek carry?

About 380 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A158 over Ollis Creek?

The structure is 49 ft (14.9 m) long with a longest span of 15 ft (4.6 m) and a deck 34 ft wide.

Who owns Nfa A158 over Ollis Creek?

It is owned by the County Highway Agency.