US Bridges

I24 over SR 27 (rossville Blvd.)

Fair

Hamilton County, Tennessee · 2 MI from SR58 · Structure no. 33I00240035

Built
1961
64 years old, rebuilt 1987
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
224 ft
4 main spans
Daily traffic
110,983
2021 count
Owner
State
State Highway Agency

About this bridge

I24 over SR 27 (rossville Blvd.) is a steel continuous stringer/multi-beam or girder carrying I24 over SR 27 (rossville Blvd.) in Hamilton County, Tennessee. It was built in 1961 and reconstructed in 1987, so it is 64 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 110,983 vehicles a day, roughly 7% of them trucks, projected to reach 192,304 by 2040. The structure is 224 ft (68.3 m) long and 138 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesI24
CrossesSR 27 (rossville Blvd.)
Location2 MI from SR58
RouteInterstate 24
Coordinates35.01843, -85.29393
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 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 rating35.4 US tons
Inventory rating27.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length224 ft (68.3 m)
Longest span73 ft (22.3 m)
Deck width138 ft (42.1 m)
Roadway width136 ft (41.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110,983 (2021)
Projected traffic192,304 by 2040
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$6.3 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I24 over SR 27 (rossville Blvd.) built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1987.

What condition is I24 over SR 27 (rossville Blvd.) 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 over SR 27 (rossville Blvd.) carry?

About 110,983 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I24 over SR 27 (rossville Blvd.)?

The structure is 224 ft (68.3 m) long with a longest span of 73 ft (22.3 m) and a deck 138 ft wide.

Who owns I24 over SR 27 (rossville Blvd.)?

It is owned by the State Highway Agency.