US Bridges

I24 over Big Fiery Gizzard Creek

Fair

Marion County, Tennessee · 1 MI S of SR2 · Structure no. 58I00240019

Built
1963
62 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
198 ft
3 main spans
Daily traffic
36,821
2021 count
Owner
State
State Highway Agency

About this bridge

I24 over Big Fiery Gizzard Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying I24 over Big Fiery Gizzard Creek in Marion County, Tennessee. It was built in 1963, so it is 62 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 36,821 vehicles a day, roughly 7% of them trucks, projected to reach 56,560 by 2040. The structure is 198 ft (60.5 m) long and 40 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI24
CrossesBig Fiery Gizzard Creek
Location1 MI S of SR2
RouteInterstate 24
CountyMarion County
StateTennessee
Coordinates35.10902, -85.74502
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating34.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length198 ft (60.5 m)
Longest span66 ft (20.2 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,821 (2021)
Projected traffic56,560 by 2040
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 I24 over Big Fiery Gizzard Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is I24 over Big Fiery Gizzard Creek 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 I24 over Big Fiery Gizzard Creek carry?

About 36,821 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I24 over Big Fiery Gizzard Creek?

The structure is 198 ft (60.5 m) long with a longest span of 66 ft (20.2 m) and a deck 40 ft wide.

Who owns I24 over Big Fiery Gizzard Creek?

It is owned by the State Highway Agency.