US Bridges

Nfa A036 (sa 4741) over Swan Pond Creek

Fair

Knox County, Tennessee · S Off I40-E of SR168 · Structure no. 470A0360001

Built
1935
90 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete Continuous
Length
38 ft
2 main spans
Daily traffic
2,124
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa A036 (sa 4741) over Swan Pond Creek is a concrete continuous culvert carrying Nfa A036 (sa 4741) over Swan Pond Creek in Knox County, Tennessee. It was built in 1935, so it is 90 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 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 2,124 vehicles a day, roughly 5% of them trucks, projected to reach 4,112 by 2041. The structure is 38 ft (11.6 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNfa A036 (sa 4741)
CrossesSwan Pond Creek
LocationS Off I40-E of SR168
RouteCounty Highway 5861
CountyKnox County
StateTennessee
Coordinates36.00191, -83.7664
Functional classUrban Collector

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.
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length38 ft (11.6 m)
Longest span12 ft (3.7 m)
Deck width22 ft (6.7 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,124 (2021)
Projected traffic4,112 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$260,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A036 (sa 4741) over Swan Pond Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is Nfa A036 (sa 4741) over Swan Pond 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 A036 (sa 4741) over Swan Pond Creek carry?

About 2,124 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Nfa A036 (sa 4741) over Swan Pond Creek?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m) and a deck 22 ft wide.

Who owns Nfa A036 (sa 4741) over Swan Pond Creek?

It is owned by the County Highway Agency.