US Bridges

Nfa B079 over Little Sugar Creek

Fair

Gibson County, Tennessee · .2 Mile South of Humboldt · Structure no. 27SR0050003

Built
1925
100 years old, rebuilt 1957
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete
Length
54 ft
1 main span
Daily traffic
70
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa B079 over Little Sugar Creek is a concrete tee beam carrying Nfa B079 over Little Sugar Creek in Gibson County, Tennessee. It was built in 1925 and reconstructed in 1957, so it is 100 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 70 vehicles a day, roughly 2% of them trucks, projected to reach 112 by 2042. The structure is 54 ft (16.5 m) long and 35 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesNfa B079
CrossesLittle Sugar Creek
Location.2 Mile South of Humboldt
RouteCity Street 79
CountyGibson County
StateTennessee
Coordinates35.8078, -88.89398
Functional classUrban Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length54 ft (16.5 m)
Longest span54 ft (16.5 m)
Deck width35 ft (10.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2020)
Projected traffic112 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$449,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa B079 over Little Sugar Creek built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1957.

What condition is Nfa B079 over Little 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 August 2023.

How much traffic does Nfa B079 over Little Sugar Creek carry?

About 70 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa B079 over Little Sugar Creek?

The structure is 54 ft (16.5 m) long with a longest span of 54 ft (16.5 m) and a deck 35 ft wide.

Who owns Nfa B079 over Little Sugar Creek?

It is owned by the City or Municipal Highway Agency.