US Bridges

Nfa E450 over Poplar Creek

Fair

Anderson County, Tennessee · .3 M S JCT SR 62&SR 95 · Structure no. 010E4500001

Built
1985
40 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
2,810
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa E450 over Poplar Creek is a concrete culvert carrying Nfa E450 over Poplar Creek in Anderson County, Tennessee. It was built in 1985, so it is 40 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 2,810 vehicles a day, roughly 2% of them trucks, projected to reach 4,496 by 2041. The structure is 22 ft (6.7 m) long and 47 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesNfa E450
CrossesPoplar Creek
Location.3 M S JCT SR 62&SR 95
RouteCity Street 450
CountyAnderson County
StateTennessee
Coordinates36.00895, -84.2671
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating20 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width47 ft (14.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,810 (2020)
Projected traffic4,496 by 2041
Trucks2%
Lanes on structure3
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$62,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa E450 over Poplar Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Nfa E450 over Poplar 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 June 2023.

How much traffic does Nfa E450 over Poplar Creek carry?

About 2,810 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa E450 over Poplar Creek?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 47 ft wide.

Who owns Nfa E450 over Poplar Creek?

It is owned by the City or Municipal Highway Agency.