US Bridges

FAU 4946 over Thompson LN /I24&I24-RMP

Good

Davidson County, Tennessee · Thompson LN/I24-BERRYHILL · Structure no. 19I00240015

Built
2002
23 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
229 ft
2 main spans
Daily traffic
11,140
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 4946 over Thompson LN /I24&I24-RMP is a steel continuous stringer/multi-beam or girder carrying FAU 4946 over Thompson LN /I24&I24-RMP in Davidson County, Tennessee. It was built in 2002, so it is 23 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11,140 vehicles a day, roughly 3% of them trucks, projected to reach 17,830 by 2042. The structure is 229 ft (69.9 m) long and 82 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFAU 4946
CrossesThompson LN /I24&I24-RMP
LocationThompson LN/I24-BERRYHILL
RouteCity Street 4946
Coordinates36.11162, -86.72328
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.6 US tons
Inventory rating25.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length229 ft (69.9 m)
Longest span123 ft (37.5 m)
Deck width82 ft (25 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,140 (2021)
Projected traffic17,830 by 2042
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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$2,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU 4946 over Thompson LN /I24&I24-RMP built?

It was built in 2002, making it 23 years old in 2025.

What condition is FAU 4946 over Thompson LN /I24&I24-RMP in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does FAU 4946 over Thompson LN /I24&I24-RMP carry?

About 11,140 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is FAU 4946 over Thompson LN /I24&I24-RMP?

The structure is 229 ft (69.9 m) long with a longest span of 123 ft (37.5 m) and a deck 82 ft wide.

Who owns FAU 4946 over Thompson LN /I24&I24-RMP?

It is owned by the State Highway Agency.