US Bridges

I24 over Dodds Ave (fau 3557)

Fair

Hamilton County, Tennessee · 2 MI from East Ridge · Structure no. 33I00240043

Built
1963
62 years old, rebuilt 1987
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
216 ft
4 main spans
Daily traffic
98,487
2021 count
Owner
State
State Highway Agency

About this bridge

I24 over Dodds Ave (fau 3557) is a steel continuous stringer/multi-beam or girder carrying I24 over Dodds Ave (fau 3557) in Hamilton County, Tennessee. It was built in 1963 and reconstructed in 1987, 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 98,487 vehicles a day, roughly 6% of them trucks, projected to reach 163,520 by 2041. The structure is 216 ft (65.8 m) long and 136 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesI24
CrossesDodds Ave (fau 3557)
Location2 MI from East Ridge
RouteInterstate 24
CountyHamilton County
StateTennessee
Coordinates35.01462, -85.27468
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length216 ft (65.8 m)
Longest span66 ft (20.1 m)
Deck width136 ft (41.5 m)
Roadway width130 ft (39.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic98,487 (2021)
Projected traffic163,520 by 2041
Trucks6%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed123.7 mi (199 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$5.9 million (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I24 over Dodds Ave (fau 3557) built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1987.

What condition is I24 over Dodds Ave (fau 3557) 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 August 2024.

How much traffic does I24 over Dodds Ave (fau 3557) carry?

About 98,487 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I24 over Dodds Ave (fau 3557)?

The structure is 216 ft (65.8 m) long with a longest span of 66 ft (20.1 m) and a deck 136 ft wide.

Who owns I24 over Dodds Ave (fau 3557)?

It is owned by the State Highway Agency.