US Bridges

Nfa A808 over Bacon Creek

Poor

Loudon County, Tennessee · In City of Philadelphia · Structure no. 530A5940001

Built
1930
95 years old
Condition
Poor
inspected August 2024
Type
Tee Beam
Concrete
Length
22 ft
1 main span
Daily traffic
220
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A808 over Bacon Creek is a concrete tee beam carrying Nfa A808 over Bacon Creek in Loudon County, Tennessee. It was built in 1930, so it is 95 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 220 vehicles a day, roughly 1% of them trucks, projected to reach 352 by 2042. The structure is 22 ft (6.7 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNfa A808
CrossesBacon Creek
LocationIn City of Philadelphia
RouteCity Street 808
CountyLoudon County
StateTennessee
Coordinates35.67528, -84.40445
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be 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 rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width24 ft (7.2 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2020)
Projected traffic352 by 2042
Trucks1%
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 with deck rehabilitation or replacement
Estimated improvement cost$89,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A808 over Bacon Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is Nfa A808 over Bacon Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Nfa A808 over Bacon Creek carry?

About 220 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa A808 over Bacon Creek?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 24 ft wide.

Who owns Nfa A808 over Bacon Creek?

It is owned by the City or Municipal Highway Agency.