US Bridges

Nfa 2378 (sa 6502) over Mud Lick Creek

FairPosted for load

Morgan County, Tennessee · In Oakdale-N of SR299&328 · Structure no. 65023780013

Built
1940
85 years old, rebuilt 1960
Condition
Fair
inspected February 2023
Type
Slab
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
542
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa 2378 (sa 6502) over Mud Lick Creek is a concrete continuous slab carrying Nfa 2378 (sa 6502) over Mud Lick Creek in Morgan County, Tennessee. It was built in 1940 and reconstructed in 1960, so it is 85 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 542 vehicles a day, roughly 3% of them trucks, projected to reach 912 by 2041. The structure is 28 ft (8.5 m) long and 20 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNfa 2378 (sa 6502)
CrossesMud Lick Creek
LocationIn Oakdale-N of SR299&328
RouteCity Street 2378
Coordinates35.9856, -84.55479
Functional classRural Minor 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
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating97.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length28 ft (8.5 m)
Longest span12 ft (3.7 m)
Deck width20 ft (6.2 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic542 (2021)
Projected traffic912 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$137,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 2378 (sa 6502) over Mud Lick Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1960.

What condition is Nfa 2378 (sa 6502) over Mud Lick 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 2023.

How much traffic does Nfa 2378 (sa 6502) over Mud Lick Creek carry?

About 542 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2378 (sa 6502) over Mud Lick Creek?

The structure is 28 ft (8.5 m) long with a longest span of 12 ft (3.7 m) and a deck 20 ft wide.

Who owns Nfa 2378 (sa 6502) over Mud Lick Creek?

It is owned by the City or Municipal Highway Agency.