US Bridges

Nfa A480 over First Creek

Fair

Knox County, Tennessee · Btwn I40-SR158 JCT & RR · Structure no. 470A1180001

Built
1945
80 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
36 ft
1 main span
Daily traffic
2,060
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A480 over First Creek is a concrete stringer/multi-beam or girder carrying Nfa A480 over First Creek in Knox County, Tennessee. It was built in 1945, so it is 80 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 2,060 vehicles a day, roughly 2% of them trucks, projected to reach 3,296 by 2040. The structure is 36 ft (11 m) long and 60 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNfa A480
CrossesFirst Creek
LocationBtwn I40-SR158 JCT & RR
RouteCity Street 480
CountyKnox County
StateTennessee
Coordinates35.98328, -83.91468
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
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 geometry5: Somewhat better than minimum adequacy to tolerate being 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 typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length36 ft (11 m)
Longest span30 ft (9.1 m)
Deck width60 ft (18.4 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,060 (2020)
Projected traffic3,296 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$478,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A480 over First Creek built?

It was built in 1945, making it 80 years old in 2025.

What condition is Nfa A480 over First 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 A480 over First Creek carry?

About 2,060 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A480 over First Creek?

The structure is 36 ft (11 m) long with a longest span of 30 ft (9.1 m) and a deck 60 ft wide.

Who owns Nfa A480 over First Creek?

It is owned by the City or Municipal Highway Agency.