US Bridges

I24 Ebl over I24 EB / CSX RR

Fair

Hamilton County, Tennessee · .1 MI East of I124 · Structure no. 33I00240077

Built
1990
35 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
359 ft
3 main spans
Daily traffic
69,132
2021 count
Owner
State
State Highway Agency

About this bridge

I24 Ebl over I24 EB / CSX RR is a steel continuous stringer/multi-beam or girder carrying I24 Ebl over I24 EB / CSX RR in Hamilton County, Tennessee. It was built in 1990, so it is 35 years old, younger 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 5 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 69,132 vehicles a day, roughly 6% of them trucks, projected to reach 110,611 by 2042. The structure is 359 ft (109.4 m) long and 48 ft wide.

CarriesI24 Ebl
CrossesI24 EB / CSX RR
Location.1 MI East of I124
RouteInterstate 24
Coordinates35.0311, -85.32108
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating86.4 US tons
Inventory rating58.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length359 ft (109.4 m)
Longest span156 ft (47.5 m)
Deck width48 ft (14.6 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic69,132 (2021)
Projected traffic110,611 by 2042
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I24 Ebl over I24 EB / CSX RR built?

It was built in 1990, making it 35 years old in 2025.

What condition is I24 Ebl over I24 EB / CSX RR 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 I24 Ebl over I24 EB / CSX RR carry?

About 69,132 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I24 Ebl over I24 EB / CSX RR?

The structure is 359 ft (109.4 m) long with a longest span of 156 ft (47.5 m) and a deck 48 ft wide.

Who owns I24 Ebl over I24 EB / CSX RR?

It is owned by the State Highway Agency.