US Bridges

Nfa A987 over Stoney Creek

FairPosted for load

Carter County, Tennessee · S of SR91-NE Part of Co. · Structure no. 100A9870001

Built
1974
51 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
10
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A987 over Stoney Creek is a steel stringer/multi-beam or girder carrying Nfa A987 over Stoney Creek in Carter County, Tennessee. It was built in 1974, so it is 51 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. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, roughly 2% of them trucks, projected to reach 16 by 2042. The structure is 37 ft (11.4 m) long and 13 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNfa A987
CrossesStoney Creek
LocationS of SR91-NE Part of Co.
RouteCounty Highway 987
CountyCarter County
StateTennessee
Coordinates36.45933, -82.01833
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating28.8 US tons
Inventory rating20.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckSteel plate
Main spans1
Design loadH 10
Structure length37 ft (11.4 m)
Longest span34 ft (10.5 m)
Deck width13 ft (4.1 m)
Roadway width11 ft (3.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2020)
Projected traffic16 by 2042
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$191,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A987 over Stoney Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is Nfa A987 over Stoney 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 A987 over Stoney Creek carry?

About 10 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A987 over Stoney Creek?

The structure is 37 ft (11.4 m) long with a longest span of 34 ft (10.5 m) and a deck 13 ft wide.

Who owns Nfa A987 over Stoney Creek?

It is owned by the County Highway Agency.