US Bridges

FAP 9 over Sinking Creek

Fair

Knox County, Tennessee · 3 Mi.E. of Holston River · Structure no. 47SR0090009

Built
1958
67 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
20,557
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 9 over Sinking Creek is a concrete continuous culvert carrying FAP 9 over Sinking Creek in Knox County, Tennessee. It was built in 1958, so it is 67 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 20,557 vehicles a day, roughly 4% of them trucks, projected to reach 32,986 by 2041. The structure is 31 ft (9.5 m) long. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesFAP 9
CrossesSinking Creek
Location3 Mi.E. of Holston River
RouteU.S. Route 25
CountyKnox County
StateTennessee
Coordinates36.02162, -83.77406
Functional classUrban Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than 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 spans2
Design loadHS 20
Structure length31 ft (9.5 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,557 (2021)
Projected traffic32,986 by 2041
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$464,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 9 over Sinking Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is FAP 9 over Sinking 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 September 2023.

How much traffic does FAP 9 over Sinking Creek carry?

About 20,557 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAP 9 over Sinking Creek?

The structure is 31 ft (9.5 m) long with a longest span of 14 ft (4.3 m).

Who owns FAP 9 over Sinking Creek?

It is owned by the State Highway Agency.