US Bridges

Nfa A583 over Nigs Creek

Fair

Scott County, Tennessee · 1.7 MI SW JCT SR297 · Structure no. 76SR0290017

Built
1924
101 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete Continuous
Length
33 ft
2 main spans
Daily traffic
12,550
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A583 over Nigs Creek is a concrete continuous culvert carrying Nfa A583 over Nigs Creek in Scott County, Tennessee. It was built in 1924, so it is 101 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 12,550 vehicles a day, roughly 7% of them trucks, projected to reach 20,080 by 2042. The structure is 33 ft (10.1 m) long and 35 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A583
CrossesNigs Creek
Location1.7 MI SW JCT SR297
RouteCounty Highway 583
Coordinates36.48008, -84.53657
Functional classRural 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 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 alignment6: Equal to present minimum criteria
Operating rating50 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length33 ft (10.1 m)
Longest span15 ft (4.6 m)
Deck width35 ft (10.6 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,550 (2020)
Projected traffic20,080 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$721,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A583 over Nigs Creek built?

It was built in 1924, making it 101 years old in 2025.

What condition is Nfa A583 over Nigs 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 August 2024.

How much traffic does Nfa A583 over Nigs Creek carry?

About 12,550 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Nfa A583 over Nigs Creek?

The structure is 33 ft (10.1 m) long with a longest span of 15 ft (4.6 m) and a deck 35 ft wide.

Who owns Nfa A583 over Nigs Creek?

It is owned by the City or Municipal Highway Agency.