US Bridges

Nfa B323 over Old Ringgold RD / I-24

PoorPosted for load

Hamilton County, Tennessee · 0.3 MI E of SR-8 Jct. · Structure no. 33I00240047

Built
1963
62 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
353 ft
2 main spans
Daily traffic
770
2020 count
Owner
State
State Highway Agency

About this bridge

Nfa B323 over Old Ringgold RD / I-24 is a steel continuous stringer/multi-beam or girder carrying Nfa B323 over Old Ringgold RD / I-24 in Hamilton County, Tennessee. It was built in 1963, so it is 62 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. Its operating status is: posted for load restriction.

It carries about 770 vehicles a day, roughly 2% of them trucks, projected to reach 1,232 by 2042. The structure is 353 ft (107.6 m) long and 38 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesNfa B323
CrossesOld Ringgold RD / I-24
Location0.3 MI E of SR-8 Jct.
RouteCity Street 323
CountyHamilton County
StateTennessee
Coordinates35.01636, -85.2689
Functional classUrban 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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.5 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadPedestrian
Structure length353 ft (107.6 m)
Longest span114 ft (34.7 m)
Deck width38 ft (11.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic770 (2020)
Projected traffic1,232 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3.2 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa B323 over Old Ringgold RD / I-24 built?

It was built in 1963, making it 62 years old in 2025.

What condition is Nfa B323 over Old Ringgold RD / I-24 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 September 2024.

How much traffic does Nfa B323 over Old Ringgold RD / I-24 carry?

About 770 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa B323 over Old Ringgold RD / I-24?

The structure is 353 ft (107.6 m) long with a longest span of 114 ft (34.7 m) and a deck 38 ft wide.

Who owns Nfa B323 over Old Ringgold RD / I-24?

It is owned by the State Highway Agency.