US Bridges

Nfa A193 over Conasauga Creek

Good

McMinn County, Tennessee · 6MI East of US411 · Structure no. 540A1930001

Built
1995
30 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
90 ft
2 main spans
Daily traffic
220
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A193 over Conasauga Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa A193 over Conasauga Creek in McMinn County, Tennessee. It was built in 1995, so it is 30 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 220 vehicles a day, roughly 2% of them trucks, projected to reach 352 by 2039. The structure is 90 ft (27.4 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa A193
CrossesConasauga Creek
Location6MI East of US411
RouteCounty Highway 193
Coordinates35.32827, -84.47645
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.6 US tons
Inventory rating29.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span45 ft (13.7 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2020)
Projected traffic352 by 2039
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A193 over Conasauga Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is Nfa A193 over Conasauga 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 August 2023.

How much traffic does Nfa A193 over Conasauga Creek carry?

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

How long is Nfa A193 over Conasauga Creek?

The structure is 90 ft (27.4 m) long with a longest span of 45 ft (13.7 m) and a deck 24 ft wide.

Who owns Nfa A193 over Conasauga Creek?

It is owned by the County Highway Agency.