US Bridges

FAP 1 over Flat Creek

Good

Knox County, Tennessee · 2 M NE of Grainger CO LN · Structure no. 47SR0010050

Built
1999
26 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
215 ft
3 main spans
Daily traffic
11,074
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 1 over Flat Creek is a prestressed concrete continuous box beam or girders - single or spread carrying FAP 1 over Flat Creek in Knox County, Tennessee. It was built in 1999, so it is 26 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 11,074 vehicles a day, roughly 6% of them trucks, projected to reach 17,570 by 2041. The structure is 215 ft (65.6 m) long and 43 ft wide. If it were closed, the detour would be 60.3 mi (97 km).

CarriesFAP 1
CrossesFlat Creek
Location2 M NE of Grainger CO LN
RouteU.S. Route 11
Coordinates36.11418, -83.73257
Functional classRural Minor Arterial

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.3 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length215 ft (65.6 m)
Longest span72 ft (21.9 m)
Deck width43 ft (13.2 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,074 (2021)
Projected traffic17,570 by 2041
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.3 mi (97 km)
TollOn a free road
National Highway SystemNo

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 1 over Flat Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is FAP 1 over Flat 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 September 2023.

How much traffic does FAP 1 over Flat Creek carry?

About 11,074 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAP 1 over Flat Creek?

The structure is 215 ft (65.6 m) long with a longest span of 72 ft (21.9 m) and a deck 43 ft wide.

Who owns FAP 1 over Flat Creek?

It is owned by the State Highway Agency.