US Bridges

Nfa A505 over One Mile Creek

Fair

Henderson County, Tennessee · 0.2 MI N of SR20 · Structure no. 390A5050001

Built
1977
48 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
1,030
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A505 over One Mile Creek is a concrete continuous culvert carrying Nfa A505 over One Mile Creek in Henderson County, Tennessee. It was built in 1977, so it is 48 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 1,030 vehicles a day, roughly 2% of them trucks, projected to reach 1,648 by 2040. The structure is 26 ft (8 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNfa A505
CrossesOne Mile Creek
Location0.2 MI N of SR20
RouteCity Street 505
Coordinates35.65875, -88.4093
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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length26 ft (8 m)
Longest span12 ft (3.7 m)
Deck width32 ft (9.8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,030 (2020)
Projected traffic1,648 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$77,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A505 over One Mile Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Nfa A505 over One Mile 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 2024.

How much traffic does Nfa A505 over One Mile Creek carry?

About 1,030 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A505 over One Mile Creek?

The structure is 26 ft (8 m) long with a longest span of 12 ft (3.7 m) and a deck 32 ft wide.

Who owns Nfa A505 over One Mile Creek?

It is owned by the City or Municipal Highway Agency.