US Bridges

Nfa A348 over Spring Creek Branch

Fair

Weakley County, Tennessee · 1 MI NW of Mckenzie · Structure no. 920A3480001

Built
2005
20 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete Continuous
Length
39 ft
2 main spans
Daily traffic
10
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A348 over Spring Creek Branch is a concrete continuous culvert carrying Nfa A348 over Spring Creek Branch in Weakley County, Tennessee. It was built in 2005, so it is 20 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 10 vehicles a day, roughly 2% of them trucks, projected to reach 16 by 2040. The structure is 39 ft (12 m) long and 31 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

Location

Open in Google Maps
CarriesNfa A348
CrossesSpring Creek Branch
Location1 MI NW of Mckenzie
RouteCounty Highway 348
CountyWeakley County
StateTennessee
Coordinates36.1576, -88.54825
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length39 ft (12 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.3 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2020)
Projected traffic16 by 2040
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 A348 over Spring Creek Branch built?

It was built in 2005, making it 20 years old in 2025.

What condition is Nfa A348 over Spring Creek Branch 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 September 2024.

How much traffic does Nfa A348 over Spring Creek Branch carry?

About 10 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A348 over Spring Creek Branch?

The structure is 39 ft (12 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns Nfa A348 over Spring Creek Branch?

It is owned by the County Highway Agency.