US Bridges

FAP 100 over Little Turnbull Creek

Good

Williamson County, Tennessee · .2 M NW JCT SR100&SR46 · Structure no. 94SR1000001

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

About this bridge

FAP 100 over Little Turnbull Creek is a concrete continuous culvert carrying FAP 100 over Little 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 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 8,417 vehicles a day, roughly 7% of them trucks, projected to reach 14,224 by 2041. The structure is 49 ft (14.9 m) long. If it were closed, the detour would be 34.8 mi (56 km).

CarriesFAP 100
CrossesLittle Turnbull Creek
Location.2 M NW JCT SR100&SR46
RouteState Highway 100
Coordinates35.93862, -87.19311
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length49 ft (14.9 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 Little Turnbull Creek built?

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

What condition is FAP 100 over Little Turnbull Creek 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 November 2024.

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

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

How long is FAP 100 over Little Turnbull Creek?

The structure is 49 ft (14.9 m) long with a longest span of 15 ft (4.6 m).

Who owns FAP 100 over Little Turnbull Creek?

It is owned by the State Highway Agency.