US Bridges

Nfa A987 over Sinking Creek

Fair

Wilson County, Tennessee · In City Lebanon · Structure no. 95K33400001

Built
1955
70 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
83 ft
2 main spans
Daily traffic
3,386
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A987 over Sinking Creek is a prestressed concrete stringer/multi-beam or girder carrying Nfa A987 over Sinking Creek in Wilson County, Tennessee. It was built in 1955, so it is 70 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.

It carries about 3,386 vehicles a day, roughly 13% of them trucks, projected to reach 5,952 by 2040. The structure is 83 ft (25.3 m) long and 61 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNfa A987
CrossesSinking Creek
LocationIn City Lebanon
RouteCity Street 0A987
Coordinates36.21202, -86.29542
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be 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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length83 ft (25.3 m)
Longest span42 ft (12.8 m)
Deck width61 ft (18.5 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,386 (2021)
Projected traffic5,952 by 2040
Trucks13%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$359,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A987 over Sinking Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is Nfa A987 over Sinking 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 July 2024.

How much traffic does Nfa A987 over Sinking Creek carry?

About 3,386 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is Nfa A987 over Sinking Creek?

The structure is 83 ft (25.3 m) long with a longest span of 42 ft (12.8 m) and a deck 61 ft wide.

Who owns Nfa A987 over Sinking Creek?

It is owned by the City or Municipal Highway Agency.