US Bridges

Nfa A298 over Muddy Creek

PoorPosted for load

Rhea County, Tennessee · 2MI East of US 27 · Structure no. 720A2980001

Built
1950
75 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
51 ft
2 main spans
Daily traffic
40
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A298 over Muddy Creek is a steel continuous stringer/multi-beam or girder carrying Nfa A298 over Muddy Creek in Rhea County, Tennessee. It was built in 1950, so it is 75 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 40 vehicles a day, roughly 2% of them trucks, projected to reach 64 by 2042. The structure is 51 ft (15.5 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A298
CrossesMuddy Creek
Location2MI East of US 27
RouteCounty Highway 298
Coordinates35.70709, -84.80938
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating12.9 US tons
Inventory rating10 US tons

Structure

MaterialSteel Continuous
DeckCorrugated steel
Main spans2
Design loadUnknown
Structure length51 ft (15.5 m)
Longest span26 ft (7.8 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2020)
Projected traffic64 by 2042
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$581,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A298 over Muddy Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Nfa A298 over Muddy 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 October 2024.

How much traffic does Nfa A298 over Muddy Creek carry?

About 40 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A298 over Muddy Creek?

The structure is 51 ft (15.5 m) long with a longest span of 26 ft (7.8 m) and a deck 16 ft wide.

Who owns Nfa A298 over Muddy Creek?

It is owned by the County Highway Agency.