US Bridges

Nfa B149 over Sinking Creek

Good

Sullivan County, Tennessee · Fordtown Rd-Se of Kingspt · Structure no. 820B1490001

Built
1991
34 years old
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
570
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa B149 over Sinking Creek is a prestressed concrete box beam or girders - multiple carrying Nfa B149 over Sinking Creek in Sullivan County, Tennessee. It was built in 1991, so it is 34 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 570 vehicles a day, roughly 2% of them trucks, projected to reach 912 by 2042. The structure is 46 ft (14 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa B149
CrossesSinking Creek
LocationFordtown Rd-Se of Kingspt
RouteCounty Highway 149
Coordinates36.46495, -82.47784
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 evaluation7: Better than 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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span42 ft (12.8 m)
Deck width29 ft (8.7 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic570 (2020)
Projected traffic912 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa B149 over Sinking Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Nfa B149 over Sinking Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does Nfa B149 over Sinking Creek carry?

About 570 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa B149 over Sinking Creek?

The structure is 46 ft (14 m) long with a longest span of 42 ft (12.8 m) and a deck 29 ft wide.

Who owns Nfa B149 over Sinking Creek?

It is owned by the County Highway Agency.