US Bridges

Nfa A336 over Pemberton Branch

Good

Wilson County, Tennessee · 0.3 MI East of SR266 · Structure no. 950A3360003

Built
1977
48 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
220
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A336 over Pemberton Branch is a concrete continuous culvert carrying Nfa A336 over Pemberton Branch in Wilson County, Tennessee. It was built in 1977, so it is 48 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 220 vehicles a day, roughly 2% of them trucks, projected to reach 352 by 2040. The structure is 23 ft (7 m) long and 21 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesNfa A336
CrossesPemberton Branch
Location0.3 MI East of SR266
RouteCounty Highway 0A336
CountyWilson County
StateTennessee
Coordinates36.08877, -86.2308
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating27.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length23 ft (7 m)
Longest span11 ft (3.4 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2020)
Projected traffic352 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$98,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A336 over Pemberton Branch built?

It was built in 1977, making it 48 years old in 2025.

What condition is Nfa A336 over Pemberton Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does Nfa A336 over Pemberton Branch carry?

About 220 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A336 over Pemberton Branch?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m) and a deck 21 ft wide.

Who owns Nfa A336 over Pemberton Branch?

It is owned by the County Highway Agency.