US Bridges

FAU 5403 over CSX & Norfolk Sou RR

Fair

Hamilton County, Tennessee · In Chattanooga · Structure no. 33SR0023001

Built
1996
29 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
645 ft
8 main spans
Daily traffic
10,403
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 5403 over CSX & Norfolk Sou RR is a prestressed concrete continuous box beam or girders - multiple carrying FAU 5403 over CSX & Norfolk Sou RR in Hamilton County, Tennessee. It was built in 1996, so it is 29 years old, younger 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 10,403 vehicles a day, roughly 4% of them trucks, projected to reach 16,645 by 2042. The structure is 645 ft (196.6 m) long and 60 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesFAU 5403
CrossesCSX & Norfolk Sou RR
LocationIn Chattanooga
RouteCity Street 5403
CountyHamilton County
StateTennessee
Coordinates35.04023, -85.28615
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating33.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length645 ft (196.6 m)
Longest span89 ft (27.1 m)
Deck width60 ft (18.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,403 (2021)
Projected traffic16,645 by 2042
Trucks4%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$2.7 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU 5403 over CSX & Norfolk Sou RR built?

It was built in 1996, making it 29 years old in 2025.

What condition is FAU 5403 over CSX & Norfolk Sou 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 5403 over CSX & Norfolk Sou RR carry?

About 10,403 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 5403 over CSX & Norfolk Sou RR?

The structure is 645 ft (196.6 m) long with a longest span of 89 ft (27.1 m) and a deck 60 ft wide.

Who owns FAU 5403 over CSX & Norfolk Sou RR?

It is owned by the City or Municipal Highway Agency.