US Bridges

Nfa A309 over I-65

Fair

Marshall County, Tennessee · 1.9 MI N JCT I65 & SR 129 · Structure no. 59I00650013

Built
1960
65 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete Continuous
Length
259 ft
4 main spans
Daily traffic
40
2020 count
Owner
State
State Highway Agency

About this bridge

Nfa A309 over I-65 is a concrete continuous tee beam carrying Nfa A309 over I-65 in Marshall County, Tennessee. It was built in 1960, so it is 65 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 40 vehicles a day, roughly 2% of them trucks, projected to reach 64 by 2041. The structure is 259 ft (78.8 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNfa A309
CrossesI-65
Location1.9 MI N JCT I65 & SR 129
RouteCounty Highway 309
CountyMarshall County
StateTennessee
Coordinates35.39838, -86.87988
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.8 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length259 ft (78.8 m)
Longest span76 ft (23.2 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck19 ft (5.8 m)

Traffic and service

Average daily traffic40 (2020)
Projected traffic64 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 A309 over I-65 built?

It was built in 1960, making it 65 years old in 2025.

What condition is Nfa A309 over I-65 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 A309 over I-65 carry?

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

How long is Nfa A309 over I-65?

The structure is 259 ft (78.8 m) long with a longest span of 76 ft (23.2 m) and a deck 29 ft wide.

Who owns Nfa A309 over I-65?

It is owned by the State Highway Agency.