US Bridges

Nfa A196 (sa 2508) over Rock Castle Creek

Poor

Fentress County, Tennessee · 5MI West of US 127 · Structure no. 250A1960001

Built
1986
39 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
115 ft
3 main spans
Daily traffic
130
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A196 (sa 2508) over Rock Castle Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa A196 (sa 2508) over Rock Castle Creek in Fentress County, Tennessee. It was built in 1986, so it is 39 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 130 vehicles a day, roughly 8% of them trucks, projected to reach 208 by 2042. The structure is 115 ft (35.2 m) long and 26 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

CarriesNfa A196 (sa 2508)
CrossesRock Castle Creek
Location5MI West of US 127
RouteCounty Highway 196
Coordinates36.37863, -84.99536
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be 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 alignment6: Equal to present minimum criteria
Operating rating35.4 US tons
Inventory rating20.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length115 ft (35.2 m)
Longest span38 ft (11.7 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2020)
Projected traffic208 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$209,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A196 (sa 2508) over Rock Castle Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Nfa A196 (sa 2508) over Rock Castle Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Nfa A196 (sa 2508) over Rock Castle Creek carry?

About 130 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Nfa A196 (sa 2508) over Rock Castle Creek?

The structure is 115 ft (35.2 m) long with a longest span of 38 ft (11.7 m) and a deck 26 ft wide.

Who owns Nfa A196 (sa 2508) over Rock Castle Creek?

It is owned by the County Highway Agency.