US Bridges

Nfa A330 over Chestuee Creek

Fair

McMinn County, Tennessee · .3MI East of SR33 · Structure no. 540A3300003

Built
1938
87 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete
Length
117 ft
3 main spans
Daily traffic
340
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A330 over Chestuee Creek is a concrete tee beam carrying Nfa A330 over Chestuee Creek in McMinn County, Tennessee. It was built in 1938, so it is 87 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 340 vehicles a day, roughly 2% of them trucks, projected to reach 544 by 2042. The structure is 117 ft (35.7 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNfa A330
CrossesChestuee Creek
Location.3MI East of SR33
RouteCounty Highway 330
CountyMcMinn County
StateTennessee
Coordinates35.40515, -84.49063
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length117 ft (35.7 m)
Longest span41 ft (12.5 m)
Deck width24 ft (7.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2020)
Projected traffic544 by 2042
Trucks2%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$301,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A330 over Chestuee Creek built?

It was built in 1938, making it 87 years old in 2025.

What condition is Nfa A330 over Chestuee 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 August 2023.

How much traffic does Nfa A330 over Chestuee Creek carry?

About 340 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A330 over Chestuee Creek?

The structure is 117 ft (35.7 m) long with a longest span of 41 ft (12.5 m) and a deck 24 ft wide.

Who owns Nfa A330 over Chestuee Creek?

It is owned by the County Highway Agency.