US Bridges

Nfa A595 over Fourth Creek

Fair

Knox County, Tennessee · Weisgarber Rd-N of Lonas · Structure no. 470A5950001

Built
1936
89 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete Continuous
Length
34 ft
3 main spans
Daily traffic
1,790
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A595 over Fourth Creek is a concrete continuous culvert carrying Nfa A595 over Fourth Creek in Knox County, Tennessee. It was built in 1936, so it is 89 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 1,790 vehicles a day, roughly 2% of them trucks, projected to reach 2,864 by 2040. The structure is 34 ft (10.4 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa A595
CrossesFourth Creek
LocationWeisgarber Rd-N of Lonas
RouteCity Street 595
Coordinates35.94523, -84.01527
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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
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
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 rating49.6 US tons
Inventory rating31.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span10 ft (3 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,790 (2020)
Projected traffic2,864 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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$182,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A595 over Fourth Creek built?

It was built in 1936, making it 89 years old in 2025.

What condition is Nfa A595 over Fourth 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 March 2024.

How much traffic does Nfa A595 over Fourth Creek carry?

About 1,790 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A595 over Fourth Creek?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m) and a deck 22 ft wide.

Who owns Nfa A595 over Fourth Creek?

It is owned by the City or Municipal Highway Agency.