US Bridges

FAS 104 over Tanyard Branch

Fair

Hardin County, Tennessee · Near Saltillo · Structure no. 36SR1040001

Built
1948
77 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
314
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 104 over Tanyard Branch is a concrete continuous culvert carrying FAS 104 over Tanyard Branch in Hardin County, Tennessee. It was built in 1948, so it is 77 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 314 vehicles a day, roughly 5% of them trucks, projected to reach 496 by 2040. The structure is 25 ft (7.6 m) long and 32 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

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CarriesFAS 104
CrossesTanyard Branch
LocationNear Saltillo
RouteState Highway 104
CountyHardin County
StateTennessee
Coordinates35.39533, -88.24966
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span11 ft (3.4 m)
Deck width32 ft (9.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic314 (2021)
Projected traffic496 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 104 over Tanyard Branch built?

It was built in 1948, making it 77 years old in 2025.

What condition is FAS 104 over Tanyard 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 February 2024.

How much traffic does FAS 104 over Tanyard Branch carry?

About 314 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 104 over Tanyard Branch?

The structure is 25 ft (7.6 m) long with a longest span of 11 ft (3.4 m) and a deck 32 ft wide.

Who owns FAS 104 over Tanyard Branch?

It is owned by the State Highway Agency.