US Bridges

Nfa 1430 over Long Creek

Poor

Jefferson County, Tennessee · Between I81 & SR66 · Structure no. 450A4650001

Built
1965
60 years old
Condition
Poor
inspected May 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
1,066
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1430 over Long Creek is a concrete continuous culvert carrying Nfa 1430 over Long Creek in Jefferson County, Tennessee. It was built in 1965, so it is 60 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,066 vehicles a day, roughly 3% of them trucks, projected to reach 1,504 by 2041. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNfa 1430
CrossesLong Creek
LocationBetween I81 & SR66
RouteCounty Highway 1430
Coordinates36.07963, -83.37217
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,066 (2021)
Projected traffic1,504 by 2041
Trucks3%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$170,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1430 over Long Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Nfa 1430 over Long Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.

How much traffic does Nfa 1430 over Long Creek carry?

About 1,066 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1430 over Long Creek?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns Nfa 1430 over Long Creek?

It is owned by the County Highway Agency.