US Bridges

I65 over I65 Ll/Clock Cr-Nfa A15

Fair

Giles County, Tennessee · 2.4 MI S Marshall CO Li · Structure no. 28I00650040

Built
1965
60 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Concrete Continuous
Length
208 ft
4 main spans
Daily traffic
24,295
2021 count
Owner
State
State Highway Agency

About this bridge

I65 over I65 Ll/Clock Cr-Nfa A15 is a concrete continuous tee beam carrying I65 over I65 Ll/Clock Cr-Nfa A15 in Giles 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.

It carries about 24,295 vehicles a day, roughly 7% of them trucks, projected to reach 38,035 by 2042. The structure is 208 ft (63.5 m) long and 40 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI65
CrossesI65 Ll/Clock Cr-Nfa A15
Location2.4 MI S Marshall CO Li
RouteInterstate 65
Coordinates35.27193, -86.89052
Functional classRural Principal Arterial - Interstate

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length208 ft (63.5 m)
Longest span59 ft (17.9 m)
Deck width40 ft (12.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic24,295 (2021)
Projected traffic38,035 by 2042
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I65 over I65 Ll/Clock Cr-Nfa A15 built?

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

What condition is I65 over I65 Ll/Clock Cr-Nfa A15 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 November 2023.

How much traffic does I65 over I65 Ll/Clock Cr-Nfa A15 carry?

About 24,295 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I65 over I65 Ll/Clock Cr-Nfa A15?

The structure is 208 ft (63.5 m) long with a longest span of 59 ft (17.9 m) and a deck 40 ft wide.

Who owns I65 over I65 Ll/Clock Cr-Nfa A15?

It is owned by the State Highway Agency.