US Bridges

Nfa A018 over Whiteoak Creek

Fair

Morgan County, Tennessee · Btwn Emory River & SR299 · Structure no. 650A0180001

Built
1984
41 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete Continuous
Length
30 ft
2 main spans
Daily traffic
360
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A018 over Whiteoak Creek is a concrete continuous culvert carrying Nfa A018 over Whiteoak Creek in Morgan 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 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 360 vehicles a day, roughly 2% of them trucks, projected to reach 576 by 2042. The structure is 30 ft (9.1 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa A018
CrossesWhiteoak Creek
LocationBtwn Emory River & SR299
RouteCounty Highway 18
CountyMorgan County
StateTennessee
Coordinates35.96687, -84.57896
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating46.7 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length30 ft (9.1 m)
Longest span14 ft (4.3 m)
Deck width30 ft (9 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic360 (2020)
Projected traffic576 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 A018 over Whiteoak Creek built?

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

What condition is Nfa A018 over Whiteoak 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 February 2023.

How much traffic does Nfa A018 over Whiteoak Creek carry?

About 360 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A018 over Whiteoak Creek?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.3 m) and a deck 30 ft wide.

Who owns Nfa A018 over Whiteoak Creek?

It is owned by the County Highway Agency.