US Bridges

FAU 3602 over Airport Rd. & CSX Rr.

Fair

Hamilton County, Tennessee · 0.8 MI S of SR153 · Structure no. 33036020005

Built
1969
56 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
276 ft
4 main spans
Daily traffic
8,681
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3602 over Airport Rd. & CSX Rr. is a steel continuous stringer/multi-beam or girder carrying FAU 3602 over Airport Rd. & CSX Rr. in Hamilton County, Tennessee. It was built in 1969, so it is 56 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 8,681 vehicles a day, roughly 3% of them trucks, projected to reach 13,890 by 2042. The structure is 276 ft (84.1 m) long and 62 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFAU 3602
CrossesAirport Rd. & CSX Rr.
Location0.8 MI S of SR153
RouteCity Street 3602
Coordinates35.03438, -85.19372
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.5 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length276 ft (84.1 m)
Longest span88 ft (26.8 m)
Deck width62 ft (18.9 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,681 (2021)
Projected traffic13,890 by 2042
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 FAU 3602 over Airport Rd. & CSX Rr. built?

It was built in 1969, making it 56 years old in 2025.

What condition is FAU 3602 over Airport Rd. & CSX Rr. 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 June 2023.

How much traffic does FAU 3602 over Airport Rd. & CSX Rr. carry?

About 8,681 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is FAU 3602 over Airport Rd. & CSX Rr.?

The structure is 276 ft (84.1 m) long with a longest span of 88 ft (26.8 m) and a deck 62 ft wide.

Who owns FAU 3602 over Airport Rd. & CSX Rr.?

It is owned by the City or Municipal Highway Agency.