US Bridges

Nfa 981 (sa 2821) over Petty Creek

Fair

Giles County, Tennessee · 5 M. N. Prospect. · Structure no. 28S62340005

Built
1954
71 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete
Length
26 ft
1 main span
Daily traffic
667
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 981 (sa 2821) over Petty Creek is a concrete tee beam carrying Nfa 981 (sa 2821) over Petty Creek in Giles County, Tennessee. It was built in 1954, so it is 71 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 667 vehicles a day, roughly 3% of them trucks, projected to reach 1,067 by 2042. The structure is 26 ft (8 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 981 (sa 2821)
CrossesPetty Creek
Location5 M. N. Prospect.
RouteCounty Highway 981
Coordinates35.085, -86.99889
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length26 ft (8 m)
Longest span25 ft (7.5 m)
Deck width25 ft (7.6 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic667 (2021)
Projected traffic1,067 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 with deck rehabilitation or replacement
Estimated improvement cost$107,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 981 (sa 2821) over Petty Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is Nfa 981 (sa 2821) over Petty 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 March 2024.

How much traffic does Nfa 981 (sa 2821) over Petty Creek carry?

About 667 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 981 (sa 2821) over Petty Creek?

The structure is 26 ft (8 m) long with a longest span of 25 ft (7.5 m) and a deck 25 ft wide.

Who owns Nfa 981 (sa 2821) over Petty Creek?

It is owned by the County Highway Agency.