US Bridges

Nfa 1100 (sa 1618) over Liberty Creek

Fair

Coffee County, Tennessee · 4 MI from SR 53 · Structure no. 16011000011

Built
1940
85 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
33 ft
2 main spans
Daily traffic
769
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1100 (sa 1618) over Liberty Creek is a concrete continuous culvert carrying Nfa 1100 (sa 1618) over Liberty Creek in Coffee County, Tennessee. It was built in 1940, 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.

It carries about 769 vehicles a day, roughly 3% of them trucks, projected to reach 1,088 by 2040. The structure is 33 ft (10.1 m) long and 22 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesNfa 1100 (sa 1618)
CrossesLiberty Creek
Location4 MI from SR 53
RouteCounty Highway 1100
CountyCoffee County
StateTennessee
Coordinates35.64062, -86.03439
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length33 ft (10.1 m)
Longest span14 ft (4.3 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic769 (2021)
Projected traffic1,088 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$145,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1100 (sa 1618) over Liberty Creek built?

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

What condition is Nfa 1100 (sa 1618) over Liberty 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 1100 (sa 1618) over Liberty Creek carry?

About 769 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1100 (sa 1618) over Liberty Creek?

The structure is 33 ft (10.1 m) long with a longest span of 14 ft (4.3 m) and a deck 22 ft wide.

Who owns Nfa 1100 (sa 1618) over Liberty Creek?

It is owned by the County Highway Agency.