US Bridges

Nfa A134 over Johnson Creek

Fair

Madison County, Tennessee · N. of I40 · Structure no. 570A1340001

Built
1986
39 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
46 ft
3 main spans
Daily traffic
620
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A134 over Johnson Creek is a concrete continuous culvert carrying Nfa A134 over Johnson Creek in Madison County, Tennessee. It was built in 1986, so it is 39 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 620 vehicles a day, roughly 11% of them trucks, projected to reach 992 by 2041. The structure is 46 ft (14 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNfa A134
CrossesJohnson Creek
LocationN. of I40
RouteCounty Highway 134
Coordinates35.68731, -88.74736
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length46 ft (14 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic620 (2020)
Projected traffic992 by 2041
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 A134 over Johnson Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Nfa A134 over Johnson 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 May 2023.

How much traffic does Nfa A134 over Johnson Creek carry?

About 620 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is Nfa A134 over Johnson Creek?

The structure is 46 ft (14 m) long with a longest span of 15 ft (4.6 m).

Who owns Nfa A134 over Johnson Creek?

It is owned by the County Highway Agency.