US Bridges

Nfa A353 over Webb Creek

Good

Sevier County, Tennessee · N of US321 in Pittman Cnt · Structure no. 780A3530003

Built
2018
7 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
230
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A353 over Webb Creek is a prestressed concrete box beam or girders - multiple carrying Nfa A353 over Webb Creek in Sevier County, Tennessee. It was built in 2018, so it is 7 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 230 vehicles a day, roughly 2% of them trucks, projected to reach 368 by 2041. The structure is 40 ft (12.2 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNfa A353
CrossesWebb Creek
LocationN of US321 in Pittman Cnt
RouteCity Street 353
Coordinates35.76017, -83.38945
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length40 ft (12.2 m)
Longest span36 ft (11.1 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic230 (2020)
Projected traffic368 by 2041
Trucks2%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$581,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A353 over Webb Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is Nfa A353 over Webb 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 A353 over Webb Creek carry?

About 230 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A353 over Webb Creek?

The structure is 40 ft (12.2 m) long with a longest span of 36 ft (11.1 m) and a deck 24 ft wide.

Who owns Nfa A353 over Webb Creek?

It is owned by the City or Municipal Highway Agency.