US Bridges

I24 WB over I24 WB / SR2 Broad ST

Fair

Hamilton County, Tennessee · .25 M E of I124 JCT · Structure no. 33I00240084

Built
1990
35 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
196 ft
4 main spans
Daily traffic
105,057
2021 count
Owner
State
State Highway Agency

About this bridge

I24 WB over I24 WB / SR2 Broad ST is a prestressed concrete box beam or girders - single or spread carrying I24 WB over I24 WB / SR2 Broad ST 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 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 105,057 vehicles a day, roughly 7% of them trucks, projected to reach 168,091 by 2042. The structure is 196 ft (59.7 m) long and 63 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI24 WB
CrossesI24 WB / SR2 Broad ST
Location.25 M E of I124 JCT
RouteInterstate 24
Coordinates35.03095, -85.31535
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 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 rating42.5 US tons
Inventory rating27.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length196 ft (59.7 m)
Longest span70 ft (21.3 m)
Deck width63 ft (19.2 m)
Roadway width61 ft (18.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic105,057 (2021)
Projected traffic168,091 by 2042
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$518,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I24 WB over I24 WB / SR2 Broad ST built?

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

What condition is I24 WB over I24 WB / SR2 Broad ST 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 WB over I24 WB / SR2 Broad ST carry?

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

How long is I24 WB over I24 WB / SR2 Broad ST?

The structure is 196 ft (59.7 m) long with a longest span of 70 ft (21.3 m) and a deck 63 ft wide.

Who owns I24 WB over I24 WB / SR2 Broad ST?

It is owned by the State Highway Agency.