US Bridges

Nfa A307 730623Y over Forest Park Blvd/Sou RR

Fair

Knox County, Tennessee · Park Blvd-S Off Kingston · Structure no. 470A3070001

Built
1930
95 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete
Length
92 ft
3 main spans
Daily traffic
2,420
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A307 730623Y over Forest Park Blvd/Sou RR is a concrete tee beam carrying Nfa A307 730623Y over Forest Park Blvd/Sou RR in Knox 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 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 2,420 vehicles a day, roughly 2% of them trucks, projected to reach 3,872 by 2040. The structure is 92 ft (28 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 A307 730623Y
CrossesForest Park Blvd/Sou RR
LocationPark Blvd-S Off Kingston
RouteCity Street 307
CountyKnox County
StateTennessee
Coordinates35.9408, -83.98202
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 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
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length92 ft (28 m)
Longest span35 ft (10.7 m)
Deck width24 ft (7.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,420 (2020)
Projected traffic3,872 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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$580,000 (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa A307 730623Y over Forest Park Blvd/Sou RR built?

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

What condition is Nfa A307 730623Y over Forest Park Blvd/Sou RR 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 A307 730623Y over Forest Park Blvd/Sou RR carry?

About 2,420 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A307 730623Y over Forest Park Blvd/Sou RR?

The structure is 92 ft (28 m) long with a longest span of 35 ft (10.7 m) and a deck 24 ft wide.

Who owns Nfa A307 730623Y over Forest Park Blvd/Sou RR?

It is owned by the City or Municipal Highway Agency.