US Bridges

FAU 4939 350231X over CSX Railroad

FairPosted for load

Davidson County, Tennessee · 2.67 Mi. E. SR-11 · Structure no. 19K32830005

Built
1951
74 years old
Condition
Fair
inspected May 2023
Type
Arch - Deck
Concrete
Length
75 ft
1 main span
Daily traffic
3,982
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 4939 350231X over CSX Railroad is a concrete arch - deck carrying FAU 4939 350231X over CSX Railroad in Davidson County, Tennessee. It was built in 1951, so it is 74 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. Its operating status is: posted for load restriction.

It carries about 3,982 vehicles a day, roughly 3% of them trucks, projected to reach 10,064 by 2041. The structure is 75 ft (22.9 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFAU 4939 350231X
CrossesCSX Railroad
Location2.67 Mi. E. SR-11
RouteCity Street 4939
CountyDavidson County
StateTennessee
Coordinates36.18168, -86.7265
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length75 ft (22.9 m)
Longest span62 ft (18.9 m)
Deck width31 ft (9.6 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,982 (2021)
Projected traffic10,064 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 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 with deck rehabilitation or replacement
Estimated improvement cost$521,000 (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU 4939 350231X over CSX Railroad built?

It was built in 1951, making it 74 years old in 2025.

What condition is FAU 4939 350231X 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 May 2023.

How much traffic does FAU 4939 350231X over CSX Railroad carry?

About 3,982 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is FAU 4939 350231X over CSX Railroad?

The structure is 75 ft (22.9 m) long with a longest span of 62 ft (18.9 m) and a deck 31 ft wide.

Who owns FAU 4939 350231X over CSX Railroad?

It is owned by the City or Municipal Highway Agency.