US Bridges

Nfa F463 over NS Spurline (rr)

Fair

Hamilton County, Tennessee · Volunteer Ordnance · Structure no. 330F4630001

Built
2011
14 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
183 ft
3 main spans
Daily traffic
11,439
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa F463 over NS Spurline (rr) is a steel continuous stringer/multi-beam or girder carrying Nfa F463 over NS Spurline (rr) in Hamilton County, Tennessee. It was built in 2011, so it is 14 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 11,439 vehicles a day, roughly 3% of them trucks, projected to reach 16,912 by 2040. The structure is 183 ft (55.8 m) long and 61 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa F463
CrossesNS Spurline (rr)
LocationVolunteer Ordnance
RouteCity Street 5745
Coordinates35.07802, -85.15363
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length183 ft (55.8 m)
Longest span64 ft (19.5 m)
Deck width61 ft (18.6 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,439 (2021)
Projected traffic16,912 by 2040
Trucks3%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
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 statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$157,000 (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa F463 over NS Spurline (rr) built?

It was built in 2011, making it 14 years old in 2025.

What condition is Nfa F463 over NS Spurline (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 February 2024.

How much traffic does Nfa F463 over NS Spurline (rr) carry?

About 11,439 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa F463 over NS Spurline (rr)?

The structure is 183 ft (55.8 m) long with a longest span of 64 ft (19.5 m) and a deck 61 ft wide.

Who owns Nfa F463 over NS Spurline (rr)?

It is owned by the City or Municipal Highway Agency.