US Bridges

Nfa 953 (sa 5112) over Big Swan Creek

Fair

Lewis County, Tennessee · 5 M. Se. Gordonsburg. · Structure no. 51S63160001

Built
1960
65 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
39 ft
3 main spans
Daily traffic
340
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 953 (sa 5112) over Big Swan Creek is a concrete continuous culvert carrying Nfa 953 (sa 5112) over Big Swan Creek in Lewis County, Tennessee. It was built in 1960, so it is 65 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 340 vehicles a day, roughly 3% of them trucks, projected to reach 522 by 2041. The structure is 39 ft (11.9 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 953 (sa 5112)
CrossesBig Swan Creek
Location5 M. Se. Gordonsburg.
RouteCounty Highway 953
CountyLewis County
StateTennessee
Coordinates35.51744, -87.34926
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 protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length39 ft (11.9 m)
Longest span12 ft (3.7 m)
Deck width32 ft (9.7 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2021)
Projected traffic522 by 2041
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 953 (sa 5112) over Big Swan Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Nfa 953 (sa 5112) over Big Swan 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 May 2023.

How much traffic does Nfa 953 (sa 5112) over Big Swan Creek carry?

About 340 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 953 (sa 5112) over Big Swan Creek?

The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m) and a deck 32 ft wide.

Who owns Nfa 953 (sa 5112) over Big Swan Creek?

It is owned by the County Highway Agency.