US Bridges

Nfa C633 over Mill Creek

Fair

Sevier County, Tennessee · In Pigeon Forge · Structure no. 780A5110001

Built
1965
60 years old, rebuilt 1987
Condition
Fair
inspected July 2023
Type
Channel Beam
Concrete
Length
31 ft
1 main span
Daily traffic
220
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa C633 over Mill Creek is a concrete channel beam carrying Nfa C633 over Mill Creek in Sevier County, Tennessee. It was built in 1965 and reconstructed in 1987, 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 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 220 vehicles a day, roughly 2% of them trucks, projected to reach 352 by 2041. The structure is 31 ft (9.3 m) long and 23 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa C633
CrossesMill Creek
LocationIn Pigeon Forge
RouteCity Street 633
Coordinates35.78297, -83.55945
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length31 ft (9.3 m)
Longest span28 ft (8.5 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2020)
Projected traffic352 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 statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$112,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa C633 over Mill Creek built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1987.

What condition is Nfa C633 over Mill 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 July 2023.

How much traffic does Nfa C633 over Mill Creek carry?

About 220 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa C633 over Mill Creek?

The structure is 31 ft (9.3 m) long with a longest span of 28 ft (8.5 m) and a deck 23 ft wide.

Who owns Nfa C633 over Mill Creek?

It is owned by the City or Municipal Highway Agency.