US Bridges

Nfa A823 over Dudley Creek

Good

Sevier County, Tennessee · In Gatlinburg-S Off US321 · Structure no. 780A8230001

Built
1994
31 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
33 ft
3 main spans
Daily traffic
120
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A823 over Dudley Creek is a concrete continuous culvert carrying Nfa A823 over Dudley Creek in Sevier County, Tennessee. It was built in 1994, so it is 31 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 120 vehicles a day, roughly 2% of them trucks, projected to reach 192 by 2041. The structure is 33 ft (10.1 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A823
CrossesDudley Creek
LocationIn Gatlinburg-S Off US321
RouteCity Street 823
Coordinates35.7243, -83.49025
Functional classRural Local

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.5 US tons
Inventory rating24.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width28 ft (8.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2020)
Projected traffic192 by 2041
Trucks2%
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 statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A823 over Dudley Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Nfa A823 over Dudley 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 July 2023.

How much traffic does Nfa A823 over Dudley Creek carry?

About 120 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A823 over Dudley Creek?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m) and a deck 28 ft wide.

Who owns Nfa A823 over Dudley Creek?

It is owned by the City or Municipal Highway Agency.