US Bridges

FAU 58 350053N over Chattanooga CR & CSX RR

Fair

Hamilton County, Tennessee · 0.53 Mi. S of I-24 Jct. · Structure no. 33SR0580005

Built
1968
57 years old
Condition
Fair
inspected December 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
414 ft
8 main spans
Daily traffic
11,642
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 58 350053N over Chattanooga CR & CSX RR is a prestressed concrete box beam or girders - single or spread carrying FAU 58 350053N over Chattanooga CR & CSX RR in Hamilton County, Tennessee. It was built in 1968, so it is 57 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 11,642 vehicles a day, roughly 6% of them trucks, projected to reach 15,422 by 2042. The structure is 414 ft (126.2 m) long and 67 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesFAU 58 350053N
CrossesChattanooga CR & CSX RR
Location0.53 Mi. S of I-24 Jct.
RouteState Highway 58
Coordinates35.02133, -85.31118
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length414 ft (126.2 m)
Longest span61 ft (18.6 m)
Deck width67 ft (20.3 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,642 (2021)
Projected traffic15,422 by 2042
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad and waterway
Detour if closed8.1 mi (13 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$910,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 58 350053N over Chattanooga CR & CSX RR built?

It was built in 1968, making it 57 years old in 2025.

What condition is FAU 58 350053N over Chattanooga CR & 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 December 2024.

How much traffic does FAU 58 350053N over Chattanooga CR & CSX RR carry?

About 11,642 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAU 58 350053N over Chattanooga CR & CSX RR?

The structure is 414 ft (126.2 m) long with a longest span of 61 ft (18.6 m) and a deck 67 ft wide.

Who owns FAU 58 350053N over Chattanooga CR & CSX RR?

It is owned by the State Highway Agency.