US Bridges

I24/I24 Rp over I24/I24RP to Central Ave

Fair

Hamilton County, Tennessee · 1.2 M E of I124 JCT · Structure no. 33I00240031

Built
1960
65 years old, rebuilt 1990
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
165 ft
4 main spans
Daily traffic
105,057
2021 count
Owner
State
State Highway Agency

About this bridge

I24/I24 Rp over I24/I24RP to Central Ave is a prestressed concrete box beam or girders - multiple carrying I24/I24 Rp over I24/I24RP to Central Ave in Hamilton County, Tennessee. It was built in 1960 and reconstructed in 1990, 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 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 105,057 vehicles a day, roughly 7% of them trucks, projected to reach 168,091 by 2042. The structure is 165 ft (50.3 m) long and 144 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesI24/I24 Rp
CrossesI24/I24RP to Central Ave
Location1.2 M E of I124 JCT
RouteInterstate 24
Coordinates35.02412, -85.30051
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.5 US tons
Inventory rating10 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans4
Design loadHS 20
Structure length165 ft (50.3 m)
Longest span55 ft (16.8 m)
Deck width144 ft (43.9 m)
Roadway width138 ft (42.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic105,057 (2021)
Projected traffic168,091 by 2042
Trucks7%
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$4.7 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I24/I24 Rp over I24/I24RP to Central Ave built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1990.

What condition is I24/I24 Rp over I24/I24RP to Central Ave 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/I24 Rp over I24/I24RP to Central Ave carry?

About 105,057 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I24/I24 Rp over I24/I24RP to Central Ave?

The structure is 165 ft (50.3 m) long with a longest span of 55 ft (16.8 m) and a deck 144 ft wide.

Who owns I24/I24 Rp over I24/I24RP to Central Ave?

It is owned by the State Highway Agency.