US Bridges

Nfa 946 (sa 4107) over Sugar Creek

FairPosted for load

Hickman County, Tennessee · 4 M NE of Only · Structure no. 41S61730005

Built
1960
65 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Concrete
Length
86 ft
3 main spans
Daily traffic
155
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 946 (sa 4107) over Sugar Creek is a concrete tee beam carrying Nfa 946 (sa 4107) over Sugar Creek in Hickman 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. Its operating status is: posted for load restriction.

It carries about 155 vehicles a day, roughly 3% of them trucks, projected to reach 248 by 2042. The structure is 86 ft (26.2 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 946 (sa 4107)
CrossesSugar Creek
Location4 M NE of Only
RouteCounty Highway 946
CountyHickman County
StateTennessee
Coordinates35.89237, -87.62935
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating26.8 US tons
Inventory rating20.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length86 ft (26.2 m)
Longest span29 ft (8.8 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic155 (2021)
Projected traffic248 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 946 (sa 4107) over Sugar Creek built?

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

What condition is Nfa 946 (sa 4107) over Sugar 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 November 2023.

How much traffic does Nfa 946 (sa 4107) over Sugar Creek carry?

About 155 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 946 (sa 4107) over Sugar Creek?

The structure is 86 ft (26.2 m) long with a longest span of 29 ft (8.8 m) and a deck 29 ft wide.

Who owns Nfa 946 (sa 4107) over Sugar Creek?

It is owned by the County Highway Agency.