US Bridges

Nfa A336 over Bear Creek

PoorPosted for load

Madison County, Tennessee · 2.4 MI SW JCT SR5&SR197 · Structure no. 570A3360001

Built
1982
43 years old
Condition
Poor
inspected May 2023
Type
Culvert
Concrete Continuous
Length
80 ft
5 main spans
Daily traffic
220
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A336 over Bear Creek is a concrete continuous culvert carrying Nfa A336 over Bear Creek in Madison County, Tennessee. It was built in 1982, so it is 43 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 220 vehicles a day, roughly 4% of them trucks, projected to reach 352 by 2041. The structure is 80 ft (24.4 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNfa A336
CrossesBear Creek
Location2.4 MI SW JCT SR5&SR197
RouteCounty Highway 336
Coordinates35.47936, -88.76111
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span15 ft (4.6 m)
Deck width31 ft (9.4 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2020)
Projected traffic352 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 A336 over Bear Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Nfa A336 over Bear Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.

How much traffic does Nfa A336 over Bear Creek carry?

About 220 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A336 over Bear Creek?

The structure is 80 ft (24.4 m) long with a longest span of 15 ft (4.6 m) and a deck 31 ft wide.

Who owns Nfa A336 over Bear Creek?

It is owned by the County Highway Agency.