US Bridges

Nfa A386 over Hollow Rock Branch

PoorPosted for load

Carroll County, Tennessee · Near Bruceton City Limit · Structure no. 090A3860003

Built
1960
65 years old
Condition
Poor
inspected July 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
23 ft
1 main span
Daily traffic
100
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A386 over Hollow Rock Branch is a wood or timber stringer/multi-beam or girder carrying Nfa A386 over Hollow Rock Branch in Carroll County, Tennessee. It was built in 1960, so it is 65 years old, older 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 100 vehicles a day, roughly 4% of them trucks, projected to reach 160 by 2039. The structure is 23 ft (7 m) long and 22 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa A386
CrossesHollow Rock Branch
LocationNear Bruceton City Limit
RouteCounty Highway 386
Coordinates36.04694, -88.24339
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating24.7 US tons
Inventory rating17.9 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic160 by 2039
Trucks4%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$371,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A386 over Hollow Rock Branch built?

It was built in 1960, making it 65 years old in 2025.

What condition is Nfa A386 over Hollow Rock Branch 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 July 2023.

How much traffic does Nfa A386 over Hollow Rock Branch carry?

About 100 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A386 over Hollow Rock Branch?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 22 ft wide.

Who owns Nfa A386 over Hollow Rock Branch?

It is owned by the County Highway Agency.