US Bridges

FAS 305 over I75

Fair

McMinn County, Tennessee · 3 MI from SR2 · Structure no. 54I00750043

Built
1973
52 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
319 ft
5 main spans
Daily traffic
8,451
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 305 over I75 is a prestressed concrete box beam or girders - multiple carrying FAS 305 over I75 in McMinn County, Tennessee. It was built in 1973, so it is 52 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 8,451 vehicles a day, roughly 7% of them trucks, projected to reach 13,522 by 2042. The structure is 319 ft (97.2 m) long and 58 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFAS 305
CrossesI75
Location3 MI from SR2
RouteState Highway 305
Coordinates35.5038, -84.6108
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 rating51.8 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length319 ft (97.2 m)
Longest span87 ft (26.5 m)
Deck width58 ft (17.7 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,451 (2021)
Projected traffic13,522 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

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 305 over I75 built?

It was built in 1973, making it 52 years old in 2025.

What condition is FAS 305 over I75 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 April 2024.

How much traffic does FAS 305 over I75 carry?

About 8,451 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is FAS 305 over I75?

The structure is 319 ft (97.2 m) long with a longest span of 87 ft (26.5 m) and a deck 58 ft wide.

Who owns FAS 305 over I75?

It is owned by the State Highway Agency.