US Bridges

FAP 106 over Sugar Tree Creek

Fair

Davidson County, Tennessee · 1.8 M SW JCT SR106&I440 · Structure no. 19SR1060005

Built
1938
87 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
37 ft
3 main spans
Daily traffic
20,234
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 106 over Sugar Tree Creek is a concrete continuous culvert carrying FAP 106 over Sugar Tree Creek in Davidson County, Tennessee. It was built in 1938, so it is 87 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 20,234 vehicles a day, roughly 9% of them trucks, projected to reach 43,798 by 2041. The structure is 37 ft (11.3 m) long and 77 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesFAP 106
CrossesSugar Tree Creek
Location1.8 M SW JCT SR106&I440
RouteU.S. Route 431
Coordinates36.09908, -86.82093
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.5 US tons
Inventory rating24.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length37 ft (11.3 m)
Longest span10 ft (3 m)
Deck width77 ft (23.5 m)
Roadway width69 ft (20.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,234 (2021)
Projected traffic43,798 by 2041
Trucks9%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 km)
TollOn a free road
National Highway SystemYes

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 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 106 over Sugar Tree Creek built?

It was built in 1938, making it 87 years old in 2025.

What condition is FAP 106 over Sugar Tree Creek 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 April 2023.

How much traffic does FAP 106 over Sugar Tree Creek carry?

About 20,234 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAP 106 over Sugar Tree Creek?

The structure is 37 ft (11.3 m) long with a longest span of 10 ft (3 m) and a deck 77 ft wide.

Who owns FAP 106 over Sugar Tree Creek?

It is owned by the State Highway Agency.