US Bridges

Nfa A363 over Chestuee Creek

FairPosted for load

Monroe County, Tennessee · SE of US411-2.2 M N of CO · Structure no. 620A3630001

Built
1970
55 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
140
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A363 over Chestuee Creek is a steel stringer/multi-beam or girder carrying Nfa A363 over Chestuee Creek in Monroe County, Tennessee. It was built in 1970, so it is 55 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 140 vehicles a day, roughly 2% of them trucks, projected to reach 224 by 2041. The structure is 28 ft (8.5 m) long and 14 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesNfa A363
CrossesChestuee Creek
LocationSE of US411-2.2 M N of CO
RouteCounty Highway 363
Coordinates35.46522, -84.40739
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating28.2 US tons
Inventory rating20.7 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span26 ft (8 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2020)
Projected traffic224 by 2041
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$467,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A363 over Chestuee Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Nfa A363 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 July 2024.

How much traffic does Nfa A363 over Chestuee Creek carry?

About 140 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A363 over Chestuee Creek?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (8 m) and a deck 14 ft wide.

Who owns Nfa A363 over Chestuee Creek?

It is owned by the County Highway Agency.