US Bridges

FAU 4928 over Union Hill Road / I24

Fair

Davidson County, Tennessee · In Nashville · Structure no. 19I00240057

Built
1972
53 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
336 ft
4 main spans
Daily traffic
970
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 4928 over Union Hill Road / I24 is a concrete continuous box beam or girders - multiple carrying FAU 4928 over Union Hill Road / I24 in Davidson County, Tennessee. It was built in 1972, so it is 53 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 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 970 vehicles a day, roughly 3% of them trucks, projected to reach 1,578 by 2042. The structure is 336 ft (102.4 m) long and 36 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesFAU 4928
CrossesUnion Hill Road / I24
LocationIn Nashville
RouteCity Street 4928
Coordinates36.32326, -86.86075
Functional classRural Minor 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating31.4 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length336 ft (102.4 m)
Longest span112 ft (34.1 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic970 (2021)
Projected traffic1,578 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 4928 over Union Hill Road / I24 built?

It was built in 1972, making it 53 years old in 2025.

What condition is FAU 4928 over Union Hill Road / I24 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 September 2023.

How much traffic does FAU 4928 over Union Hill Road / I24 carry?

About 970 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is FAU 4928 over Union Hill Road / I24?

The structure is 336 ft (102.4 m) long with a longest span of 112 ft (34.1 m) and a deck 36 ft wide.

Who owns FAU 4928 over Union Hill Road / I24?

It is owned by the State Highway Agency.