US Bridges

Nfa 2469 (sa 3218) over Lyons Creek

Fair

Hamblen County, Tennessee · 4MI South of SR34 · Structure no. 32S25650001

Built
1960
65 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
344
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2469 (sa 3218) over Lyons Creek is a concrete continuous culvert carrying Nfa 2469 (sa 3218) over Lyons Creek in Hamblen County, Tennessee. It was built in 1960, so it is 65 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 344 vehicles a day, roughly 3% of them trucks, projected to reach 608 by 2039. The structure is 23 ft (7 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesNfa 2469 (sa 3218)
CrossesLyons Creek
Location4MI South of SR34
RouteCounty Highway 2469
CountyHamblen County
StateTennessee
Coordinates36.23663, -83.12745
Functional classRural Minor 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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating24.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span12 ft (3.7 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic344 (2021)
Projected traffic608 by 2039
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 2469 (sa 3218) over Lyons Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Nfa 2469 (sa 3218) over Lyons 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 Nfa 2469 (sa 3218) over Lyons Creek carry?

About 344 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2469 (sa 3218) over Lyons Creek?

The structure is 23 ft (7 m) long with a longest span of 12 ft (3.7 m) and a deck 33 ft wide.

Who owns Nfa 2469 (sa 3218) over Lyons Creek?

It is owned by the County Highway Agency.