US Bridges

Nfa A708 over Hog Creek

FairPosted for load

Gibson County, Tennessee · Wilson Steel RD / Bee CR · Structure no. 270A7080001

Built
1992
33 years old, rebuilt 2015
Condition
Fair
inspected September 2023
Type
Channel Beam
Concrete
Length
28 ft
1 main span
Daily traffic
40
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A708 over Hog Creek is a concrete channel beam carrying Nfa A708 over Hog Creek in Gibson County, Tennessee. It was built in 1992 and reconstructed in 2015, so it is 33 years old, younger 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 40 vehicles a day, roughly 2% of them trucks, projected to reach 64 by 2042. The structure is 28 ft (8.6 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNfa A708
CrossesHog Creek
LocationWilson Steel RD / Bee CR
RouteCounty Highway 708
Coordinates35.87887, -88.82117
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length28 ft (8.6 m)
Longest span28 ft (8.6 m)
Deck width22 ft (6.8 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2020)
Projected traffic64 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$200,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A708 over Hog Creek built?

It was built in 1992, making it 33 years old in 2025. It was reconstructed in 2015.

What condition is Nfa A708 over Hog 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 September 2023.

How much traffic does Nfa A708 over Hog Creek carry?

About 40 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A708 over Hog Creek?

The structure is 28 ft (8.6 m) long with a longest span of 28 ft (8.6 m) and a deck 22 ft wide.

Who owns Nfa A708 over Hog Creek?

It is owned by the County Highway Agency.