US Bridges

Nfa E493 over SR 62

Fair

Anderson County, Tennessee · 3.0 M W of Poplar Cr. · Structure no. 01SR0620005

Built
1981
44 years old
Condition
Fair
inspected December 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
189 ft
1 main span
Daily traffic
250
2020 count
Owner
State
State Highway Agency

About this bridge

Nfa E493 over SR 62 is a prestressed concrete box beam or girders - single or spread carrying Nfa E493 over SR 62 in Anderson County, Tennessee. It was built in 1981, so it is 44 years old, younger 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.

It carries about 250 vehicles a day, roughly 2% of them trucks, projected to reach 400 by 2041. The structure is 189 ft (57.6 m) long and 42 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesNfa E493
CrossesSR 62
Location3.0 M W of Poplar Cr.
RouteCounty Highway 493
CountyAnderson County
StateTennessee
Coordinates36.00388, -84.23157
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length189 ft (57.6 m)
Longest span108 ft (32.9 m)
Deck width42 ft (12.9 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2020)
Projected traffic400 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed16.2 mi (26 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa E493 over SR 62 built?

It was built in 1981, making it 44 years old in 2025.

What condition is Nfa E493 over SR 62 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 December 2024.

How much traffic does Nfa E493 over SR 62 carry?

About 250 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa E493 over SR 62?

The structure is 189 ft (57.6 m) long with a longest span of 108 ft (32.9 m) and a deck 42 ft wide.

Who owns Nfa E493 over SR 62?

It is owned by the State Highway Agency.