US Bridges

Nfa A386 over Kimball LN / I-24

FairPosted for load

Marion County, Tennessee · Kimball · Structure no. 58I00240033

Built
1965
60 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
188 ft
2 main spans
Daily traffic
750
2020 count
Owner
State
State Highway Agency

About this bridge

Nfa A386 over Kimball LN / I-24 is a steel continuous stringer/multi-beam or girder carrying Nfa A386 over Kimball LN / I-24 in Marion County, Tennessee. It was built in 1965, so it is 60 years old, older 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. Its operating status is: posted for load restriction.

It carries about 750 vehicles a day, roughly 2% of them trucks, projected to reach 1,200 by 2042. The structure is 188 ft (57.3 m) long and 29 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesNfa A386
CrossesKimball LN / I-24
LocationKimball
RouteCounty Highway 386
CountyMarion County
StateTennessee
Coordinates35.0428, -85.6738
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating11 US tons
Inventory rating8.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length188 ft (57.3 m)
Longest span95 ft (29 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2020)
Projected traffic1,200 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$337,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa A386 over Kimball LN / I-24 built?

It was built in 1965, making it 60 years old in 2025.

What condition is Nfa A386 over Kimball LN / I-24 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 July 2024.

How much traffic does Nfa A386 over Kimball LN / I-24 carry?

About 750 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A386 over Kimball LN / I-24?

The structure is 188 ft (57.3 m) long with a longest span of 95 ft (29 m) and a deck 29 ft wide.

Who owns Nfa A386 over Kimball LN / I-24?

It is owned by the State Highway Agency.