US Bridges

FAU 4957 over Blue Hole RD / I24

Fair

Davidson County, Tennessee · Blue Hole RD/I24@ANTIOCH · Structure no. 19I00240037

Built
1958
67 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete Continuous
Length
260 ft
4 main spans
Daily traffic
11,555
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 4957 over Blue Hole RD / I24 is a concrete continuous tee beam carrying FAU 4957 over Blue Hole RD / I24 in Davidson County, Tennessee. It was built in 1958, so it is 67 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 11,555 vehicles a day, roughly 3% of them trucks, projected to reach 18,293 by 2042. The structure is 260 ft (79.2 m) long and 34 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesFAU 4957
CrossesBlue Hole RD / I24
LocationBlue Hole RD/I24@ANTIOCH
RouteCity Street 4957
Coordinates36.05392, -86.67282
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length260 ft (79.2 m)
Longest span75 ft (22.9 m)
Deck width34 ft (10.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,555 (2021)
Projected traffic18,293 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed11.8 mi (19 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.4 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU 4957 over Blue Hole RD / I24 built?

It was built in 1958, making it 67 years old in 2025.

What condition is FAU 4957 over Blue Hole RD / 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 October 2023.

How much traffic does FAU 4957 over Blue Hole RD / I24 carry?

About 11,555 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is FAU 4957 over Blue Hole RD / I24?

The structure is 260 ft (79.2 m) long with a longest span of 75 ft (22.9 m) and a deck 34 ft wide.

Who owns FAU 4957 over Blue Hole RD / I24?

It is owned by the State Highway Agency.