US Bridges

FAU 4527 350347Y over CSX Railroad

Fair

Williamson County, Tennessee · In City of Brentwood · Structure no. 940A1540001

Built
1990
35 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
10,558
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 4527 350347Y over CSX Railroad is a prestressed concrete box beam or girders - single or spread carrying FAU 4527 350347Y over CSX Railroad in Williamson County, Tennessee. It was built in 1990, so it is 35 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 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 10,558 vehicles a day, roughly 3% of them trucks, projected to reach 13,269 by 2041. The structure is 65 ft (19.8 m) long and 38 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFAU 4527 350347Y
CrossesCSX Railroad
LocationIn City of Brentwood
RouteCity Street 4527
CountyWilliamson County
StateTennessee
Coordinates35.9775, -86.77509
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span60 ft (18.3 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,558 (2021)
Projected traffic13,269 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU 4527 350347Y over CSX Railroad built?

It was built in 1990, making it 35 years old in 2025.

What condition is FAU 4527 350347Y 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 June 2023.

How much traffic does FAU 4527 350347Y over CSX Railroad carry?

About 10,558 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is FAU 4527 350347Y over CSX Railroad?

The structure is 65 ft (19.8 m) long with a longest span of 60 ft (18.3 m) and a deck 38 ft wide.

Who owns FAU 4527 350347Y over CSX Railroad?

It is owned by the City or Municipal Highway Agency.