US Bridges

FAP 100 over Big Turnbull Creek

Fair

Williamson County, Tennessee · .6 M NW JCT SR100&SR46 · Structure no. 94SR1000003

Built
2001
24 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
65 ft
4 main spans
Daily traffic
8,417
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 100 over Big Turnbull Creek is a concrete continuous culvert carrying FAP 100 over Big Turnbull Creek in Williamson County, Tennessee. It was built in 2001, so it is 24 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 8,417 vehicles a day, roughly 7% of them trucks, projected to reach 14,224 by 2041. The structure is 65 ft (19.8 m) long. If it were closed, the detour would be 34.8 mi (56 km).

Location

Open in Google Maps
CarriesFAP 100
CrossesBig Turnbull Creek
Location.6 M NW JCT SR100&SR46
RouteState Highway 100
CountyWilliamson County
StateTennessee
Coordinates35.94045, -87.1869
Functional classRural Principal Arterial - Other

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,417 (2021)
Projected traffic14,224 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 100 over Big Turnbull Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is FAP 100 over Big Turnbull 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 November 2024.

How much traffic does FAP 100 over Big Turnbull Creek carry?

About 8,417 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is FAP 100 over Big Turnbull Creek?

The structure is 65 ft (19.8 m) long with a longest span of 15 ft (4.6 m).

Who owns FAP 100 over Big Turnbull Creek?

It is owned by the State Highway Agency.