US Bridges

Nfa 2492 (sa 7826) over Hettie Creek

Good

Sevier County, Tennessee · S of US411-4.5 M W of Co. · Structure no. 78024920001

Built
1984
41 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
2,795
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2492 (sa 7826) over Hettie Creek is a concrete continuous culvert carrying Nfa 2492 (sa 7826) over Hettie Creek in Sevier County, Tennessee. It was built in 1984, so it is 41 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,795 vehicles a day, roughly 3% of them trucks, projected to reach 4,144 by 2041. The structure is 22 ft (6.7 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesNfa 2492 (sa 7826)
CrossesHettie Creek
LocationS of US411-4.5 M W of Co.
RouteCounty Highway 2492
CountySevier County
StateTennessee
Coordinates35.89198, -83.4257
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,795 (2021)
Projected traffic4,144 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$148,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 2492 (sa 7826) over Hettie Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Nfa 2492 (sa 7826) over Hettie Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Nfa 2492 (sa 7826) over Hettie Creek carry?

About 2,795 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2492 (sa 7826) over Hettie Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 25 ft wide.

Who owns Nfa 2492 (sa 7826) over Hettie Creek?

It is owned by the County Highway Agency.