US Bridges

Nfa A406 over I0024

FairPosted for load

Rutherford County, Tennessee · 4.7 MI NE JCT SR269&BFORD · Structure no. 75I00240043

Built
1968
57 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
418 ft
5 main spans
Daily traffic
40
2020 count
Owner
State
State Highway Agency

About this bridge

Nfa A406 over I0024 is a prestressed concrete box beam or girders - multiple carrying Nfa A406 over I0024 in Rutherford County, Tennessee. It was built in 1968, so it is 57 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 40 vehicles a day, roughly 2% of them trucks, projected to reach 64 by 2042. The structure is 418 ft (127.4 m) long and 32 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesNfa A406
CrossesI0024
Location4.7 MI NE JCT SR269&BFORD
RouteCounty Highway 0A406
CountyRutherford County
StateTennessee
Coordinates35.70302, -86.30648
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.5 US tons
Inventory rating25.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length418 ft (127.4 m)
Longest span115 ft (35.1 m)
Deck width32 ft (9.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2020)
Projected traffic64 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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa A406 over I0024 built?

It was built in 1968, making it 57 years old in 2025.

What condition is Nfa A406 over I0024 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 June 2024.

How much traffic does Nfa A406 over I0024 carry?

About 40 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A406 over I0024?

The structure is 418 ft (127.4 m) long with a longest span of 115 ft (35.1 m) and a deck 32 ft wide.

Who owns Nfa A406 over I0024?

It is owned by the State Highway Agency.