US Bridges

Nfa D959 over Stock Creek

Fair

Knox County, Tennessee · Neubert Sprgs Rd-S of 168 · Structure no. 470D9590003

Built
1984
41 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete Continuous
Length
45 ft
3 main spans
Daily traffic
150
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa D959 over Stock Creek is a concrete continuous culvert carrying Nfa D959 over Stock Creek in Knox County, Tennessee. It was built in 1984, so it is 41 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 150 vehicles a day, roughly 2% of them trucks, projected to reach 240 by 2040. The structure is 45 ft (13.7 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNfa D959
CrossesStock Creek
LocationNeubert Sprgs Rd-S of 168
RouteCounty Highway 959
CountyKnox County
StateTennessee
Coordinates35.8851, -83.8741
Functional classUrban Local

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to 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
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span10 ft (3.1 m)
Deck width28 ft (8.6 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2020)
Projected traffic240 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Nfa D959 over Stock Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Nfa D959 over Stock 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 April 2024.

How much traffic does Nfa D959 over Stock Creek carry?

About 150 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa D959 over Stock Creek?

The structure is 45 ft (13.7 m) long with a longest span of 10 ft (3.1 m) and a deck 28 ft wide.

Who owns Nfa D959 over Stock Creek?

It is owned by the County Highway Agency.