US Bridges

Nfa 2599 over Muddy Creek

FairPosted for load

Sullivan County, Tennessee · 2.5 M E of Airport · Structure no. 820A2210003

Built
1965
60 years old
Condition
Fair
inspected February 2024
Type
Tee Beam
Concrete
Length
235 ft
5 main spans
Daily traffic
1,927
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2599 over Muddy Creek is a concrete tee beam carrying Nfa 2599 over Muddy Creek in Sullivan County, Tennessee. It was built in 1965, so it is 60 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. Its operating status is: posted for load restriction.

It carries about 1,927 vehicles a day, roughly 5% of them trucks, projected to reach 2,840 by 2042. The structure is 235 ft (71.6 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNfa 2599
CrossesMuddy Creek
Location2.5 M E of Airport
RouteCounty Highway 2599
CountySullivan County
StateTennessee
Coordinates36.48117, -82.36472
Functional classRural Major 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.
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length235 ft (71.6 m)
Longest span47 ft (14.3 m)
Deck width24 ft (7.4 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,927 (2021)
Projected traffic2,840 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$2.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 2599 over Muddy Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Nfa 2599 over Muddy 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 February 2024.

How much traffic does Nfa 2599 over Muddy Creek carry?

About 1,927 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Nfa 2599 over Muddy Creek?

The structure is 235 ft (71.6 m) long with a longest span of 47 ft (14.3 m) and a deck 24 ft wide.

Who owns Nfa 2599 over Muddy Creek?

It is owned by the County Highway Agency.