US Bridges

FAU 4924 350170J over CSX Railroad

Fair

Davidson County, Tennessee · In Nashville · Structure no. 190C7200001

Built
1975
50 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
106 ft
2 main spans
Daily traffic
5,564
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 4924 350170J over CSX Railroad is a prestressed concrete continuous box beam or girders - single or spread carrying FAU 4924 350170J over CSX Railroad in Davidson County, Tennessee. It was built in 1975, so it is 50 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 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 5,564 vehicles a day, roughly 3% of them trucks, projected to reach 9,392 by 2041. The structure is 106 ft (32.3 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesFAU 4924 350170J
CrossesCSX Railroad
LocationIn Nashville
RouteCity Street 4924
CountyDavidson County
StateTennessee
Coordinates36.2296, -86.73148
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionApril 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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length106 ft (32.3 m)
Longest span58 ft (17.7 m)
Deck width43 ft (13 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,564 (2021)
Projected traffic9,392 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$500,000 (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU 4924 350170J over CSX Railroad built?

It was built in 1975, making it 50 years old in 2025.

What condition is FAU 4924 350170J over CSX Railroad 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 2023.

How much traffic does FAU 4924 350170J over CSX Railroad carry?

About 5,564 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is FAU 4924 350170J over CSX Railroad?

The structure is 106 ft (32.3 m) long with a longest span of 58 ft (17.7 m) and a deck 43 ft wide.

Who owns FAU 4924 350170J over CSX Railroad?

It is owned by the City or Municipal Highway Agency.