US Bridges

I24 over I24 / North First ST

Fair

Davidson County, Tennessee · I24 / North First ST · Structure no. 19I00240107

Built
1961
64 years old, rebuilt 1985
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
379 ft
2 main spans
Daily traffic
113,584
2021 count
Owner
State
State Highway Agency

About this bridge

I24 over I24 / North First ST is a steel continuous stringer/multi-beam or girder carrying I24 over I24 / North First ST in Davidson County, Tennessee. It was built in 1961 and reconstructed in 1985, 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 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 113,584 vehicles a day, roughly 7% of them trucks, projected to reach 166,190 by 2041. The structure is 379 ft (115.5 m) long and 126 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI24
CrossesI24 / North First ST
LocationI24 / North First ST
RouteInterstate 24
CountyDavidson County
StateTennessee
Coordinates36.1802, -86.77447
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
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 alignment8: Equal to present desirable criteria
Operating rating89.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length379 ft (115.5 m)
Longest span114 ft (34.7 m)
Deck width126 ft (38.4 m)
Roadway width124 ft (37.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic113,584 (2021)
Projected traffic166,190 by 2041
Trucks7%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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$10.6 million (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I24 over I24 / North First ST built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1985.

What condition is I24 over I24 / North First 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 2023.

How much traffic does I24 over I24 / North First ST carry?

About 113,584 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I24 over I24 / North First ST?

The structure is 379 ft (115.5 m) long with a longest span of 114 ft (34.7 m) and a deck 126 ft wide.

Who owns I24 over I24 / North First ST?

It is owned by the State Highway Agency.