US Bridges

FAP 7 over Knob Creek

Good

Maury County, Tennessee · 5.06 Mi.N. Jct. FAS 6368 · Structure no. 60SR0070041

Built
2004
21 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
150 ft
2 main spans
Daily traffic
5,567
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 7 over Knob Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying FAP 7 over Knob Creek in Maury County, Tennessee. It was built in 2004, so it is 21 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 5,567 vehicles a day, roughly 10% of them trucks, projected to reach 10,224 by 2040. The structure is 150 ft (45.7 m) long and 86 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesFAP 7
CrossesKnob Creek
Location5.06 Mi.N. Jct. FAS 6368
RouteState Highway 7
Coordinates35.6823, -87.08017
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length150 ft (45.7 m)
Longest span75 ft (22.9 m)
Deck width86 ft (26.2 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,567 (2021)
Projected traffic10,224 by 2040
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 7 over Knob Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is FAP 7 over Knob 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 February 2024.

How much traffic does FAP 7 over Knob Creek carry?

About 5,567 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is FAP 7 over Knob Creek?

The structure is 150 ft (45.7 m) long with a longest span of 75 ft (22.9 m) and a deck 86 ft wide.

Who owns FAP 7 over Knob Creek?

It is owned by the State Highway Agency.