US Bridges

Nfa 878 (sa 5524) over Clarey Branch

Fair

McNairy County, Tennessee · 2.5 MI W of Adamsville · Structure no. 55S82350001

Built
1964
61 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
2,069
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 878 (sa 5524) over Clarey Branch is a prestressed concrete box beam or girders - single or spread carrying Nfa 878 (sa 5524) over Clarey Branch in McNairy County, Tennessee. It was built in 1964, so it is 61 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 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 2,069 vehicles a day, roughly 3% of them trucks, projected to reach 3,424 by 2040. The structure is 36 ft (11 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 878 (sa 5524)
CrossesClarey Branch
Location2.5 MI W of Adamsville
RouteCounty Highway 878
CountyMcNairy County
StateTennessee
Coordinates35.23532, -88.42342
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating23.9 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadH 15
Structure length36 ft (11 m)
Longest span36 ft (11 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,069 (2021)
Projected traffic3,424 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$202,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 878 (sa 5524) over Clarey Branch built?

It was built in 1964, making it 61 years old in 2025.

What condition is Nfa 878 (sa 5524) over Clarey Branch 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 August 2024.

How much traffic does Nfa 878 (sa 5524) over Clarey Branch carry?

About 2,069 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 878 (sa 5524) over Clarey Branch?

The structure is 36 ft (11 m) long with a longest span of 36 ft (11 m) and a deck 29 ft wide.

Who owns Nfa 878 (sa 5524) over Clarey Branch?

It is owned by the County Highway Agency.