US Bridges

Nfa A425 over I24

Fair

Coffee County, Tennessee · 0.3 MI S of Beech Grove · Structure no. 16I00240005

Built
1968
57 years old
Condition
Fair
inspected September 2023
Type
Frame
Steel Continuous
Length
329 ft
3 main spans
Daily traffic
70
2020 count
Owner
State
State Highway Agency

About this bridge

Nfa A425 over I24 is a steel continuous frame carrying Nfa A425 over I24 in Coffee 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.

It carries about 70 vehicles a day, roughly 2% of them trucks, projected to reach 112 by 2042. The structure is 329 ft (100.2 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa A425
CrossesI24
Location0.3 MI S of Beech Grove
RouteCounty Highway 425
Coordinates35.61922, -86.2406
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.9 US tons
Inventory rating37.5 US tons

Structure

Structure typeFrame
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length329 ft (100.2 m)
Longest span139 ft (42.5 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2020)
Projected traffic112 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa A425 over I24 built?

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

What condition is Nfa A425 over I24 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 2023.

How much traffic does Nfa A425 over I24 carry?

About 70 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A425 over I24?

The structure is 329 ft (100.2 m) long with a longest span of 139 ft (42.5 m) and a deck 32 ft wide.

Who owns Nfa A425 over I24?

It is owned by the State Highway Agency.