US Bridges

FAS 56 over Little Salt Lick Creek

Poor

Macon County, Tennessee · 2.4 MI N. Red Boiling Spg · Structure no. 56SR0560009

Built
1964
61 years old
Condition
Poor
inspected August 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
1,352
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 56 over Little Salt Lick Creek is a concrete continuous culvert carrying FAS 56 over Little Salt Lick Creek in Macon 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 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.

It carries about 1,352 vehicles a day, roughly 9% of them trucks, projected to reach 2,136 by 2042. The structure is 22 ft (6.7 m) long and 32 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

Location

Open in Google Maps
CarriesFAS 56
CrossesLittle Salt Lick Creek
Location2.4 MI N. Red Boiling Spg
RouteState Highway 56
CountyMacon County
StateTennessee
Coordinates36.57432, -85.82996
Functional classRural Major Collector

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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width32 ft (9.9 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,352 (2021)
Projected traffic2,136 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$61,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 56 over Little Salt Lick Creek built?

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

What condition is FAS 56 over Little Salt Lick 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 August 2023.

How much traffic does FAS 56 over Little Salt Lick Creek carry?

About 1,352 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAS 56 over Little Salt Lick Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 32 ft wide.

Who owns FAS 56 over Little Salt Lick Creek?

It is owned by the State Highway Agency.