US Bridges

Nfa 955 (sa 4110) over Big Swan Creek

Fair

Hickman County, Tennessee · 11 M South of Centerville · Structure no. 41S61780001

Built
1965
60 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
255 ft
5 main spans
Daily traffic
243
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 955 (sa 4110) over Big Swan Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa 955 (sa 4110) over Big Swan Creek in Hickman County, Tennessee. It was built in 1965, so it is 60 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 243 vehicles a day, roughly 3% of them trucks, projected to reach 640 by 2042. The structure is 255 ft (77.7 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesNfa 955 (sa 4110)
CrossesBig Swan Creek
Location11 M South of Centerville
RouteCounty Highway 955
CountyHickman County
StateTennessee
Coordinates35.62848, -87.4542
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.8 US tons
Inventory rating22.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length255 ft (77.7 m)
Longest span51 ft (15.5 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic243 (2021)
Projected traffic640 by 2042
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$245,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 955 (sa 4110) over Big Swan Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Nfa 955 (sa 4110) 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 October 2023.

How much traffic does Nfa 955 (sa 4110) over Big Swan Creek carry?

About 243 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 955 (sa 4110) over Big Swan Creek?

The structure is 255 ft (77.7 m) long with a longest span of 51 ft (15.5 m) and a deck 29 ft wide.

Who owns Nfa 955 (sa 4110) over Big Swan Creek?

It is owned by the County Highway Agency.