US Bridges

FAU 3556 350045W over CSX & NS Railroad

PoorPosted for load

Hamilton County, Tennessee · Wilcox Blvd / RR Yards · Structure no. 33035560004

Built
1954
71 years old
Condition
Poor
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
818 ft
17 main spans
Daily traffic
16,210
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3556 350045W over CSX & NS Railroad is a steel stringer/multi-beam or girder carrying FAU 3556 350045W over CSX & NS Railroad in Hamilton County, Tennessee. It was built in 1954, so it is 71 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 16,210 vehicles a day, roughly 9% of them trucks, projected to reach 27,856 by 2041. The structure is 818 ft (249.3 m) long and 27 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesFAU 3556 350045W
CrossesCSX & NS Railroad
LocationWilcox Blvd / RR Yards
RouteCity Street 3556
CountyHamilton County
StateTennessee
Coordinates35.0572, -85.27343
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.8 US tons
Inventory rating22.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans17
Design loadH 20
Structure length818 ft (249.3 m)
Longest span74 ft (22.6 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,210 (2021)
Projected traffic27,856 by 2041
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed0.6 mi (1 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$10.1 million (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU 3556 350045W over CSX & NS Railroad built?

It was built in 1954, making it 71 years old in 2025.

What condition is FAU 3556 350045W over CSX & NS Railroad in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.

How much traffic does FAU 3556 350045W over CSX & NS Railroad carry?

About 16,210 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAU 3556 350045W over CSX & NS Railroad?

The structure is 818 ft (249.3 m) long with a longest span of 74 ft (22.6 m) and a deck 27 ft wide.

Who owns FAU 3556 350045W over CSX & NS Railroad?

It is owned by the City or Municipal Highway Agency.