US Bridges

Nfa A249 over Brimstone Creek

PoorPosted for load

Scott County, Tennessee · 5.4 M E of US27-SR52 JCT · Structure no. 760A2220001

Built
1940
85 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
1 main span
Daily traffic
30
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A249 over Brimstone Creek is a steel stringer/multi-beam or girder carrying Nfa A249 over Brimstone Creek in Scott County, Tennessee. It was built in 1940, so it is 85 years old, older 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. Its operating status is: posted for load restriction.

It carries about 30 vehicles a day, roughly 2% of them trucks, projected to reach 48 by 2042. The structure is 52 ft (15.8 m) long and 12 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesNfa A249
CrossesBrimstone Creek
Location5.4 M E of US27-SR52 JCT
RouteCounty Highway 249
CountyScott County
StateTennessee
Coordinates36.31545, -84.51258
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating13.6 US tons
Inventory rating10.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length52 ft (15.8 m)
Longest span47 ft (14.3 m)
Deck width12 ft (3.7 m)
Roadway width11 ft (3.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2020)
Projected traffic48 by 2042
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$620,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A249 over Brimstone Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Nfa A249 over Brimstone 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 September 2024.

How much traffic does Nfa A249 over Brimstone Creek carry?

About 30 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A249 over Brimstone Creek?

The structure is 52 ft (15.8 m) long with a longest span of 47 ft (14.3 m) and a deck 12 ft wide.

Who owns Nfa A249 over Brimstone Creek?

It is owned by the County Highway Agency.