US Bridges

FAS 50 over SR-50 / I-24

Good

Grundy County, Tennessee · SR050(02)/I0024 · Structure no. 31I00240001

Built
1958
67 years old, rebuilt 2019
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
226 ft
2 main spans
Daily traffic
5,966
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 50 over SR-50 / I-24 is a steel continuous stringer/multi-beam or girder carrying FAS 50 over SR-50 / I-24 in Grundy County, Tennessee. It was built in 1958 and reconstructed in 2019, so it is 67 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,966 vehicles a day, roughly 7% of them trucks, projected to reach 10,096 by 2040. The structure is 226 ft (68.9 m) long and 62 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesFAS 50
CrossesSR-50 / I-24
LocationSR050(02)/I0024
RouteU.S. Route 64
Coordinates35.29996, -85.90334
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length226 ft (68.9 m)
Longest span113 ft (34.4 m)
Deck width62 ft (18.9 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,966 (2021)
Projected traffic10,096 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAS 50 over SR-50 / I-24 built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2019.

What condition is FAS 50 over SR-50 / I-24 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does FAS 50 over SR-50 / I-24 carry?

About 5,966 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is FAS 50 over SR-50 / I-24?

The structure is 226 ft (68.9 m) long with a longest span of 113 ft (34.4 m) and a deck 62 ft wide.

Who owns FAS 50 over SR-50 / I-24?

It is owned by the State Highway Agency.