US Bridges

Nfa A297 over Gulf Fork Big Creek

FairPosted for load

Cocke County, Tennessee · 4.5 MI NE of Hartford · Structure no. 150A2970001

Built
1974
51 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
1 main span
Daily traffic
230
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A297 over Gulf Fork Big Creek is a steel stringer/multi-beam or girder carrying Nfa A297 over Gulf Fork Big Creek in Cocke 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 5 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 230 vehicles a day, roughly 2% of them trucks, projected to reach 368 by 2041. The structure is 51 ft (15.4 m) long and 14 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa A297
CrossesGulf Fork Big Creek
Location4.5 MI NE of Hartford
RouteCounty Highway 297
Coordinates35.8634, -83.10083
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating16.8 US tons
Inventory rating12.9 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length51 ft (15.4 m)
Longest span48 ft (14.6 m)
Deck width14 ft (4.3 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic230 (2020)
Projected traffic368 by 2041
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$689,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A297 over Gulf Fork Big Creek built?

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

What condition is Nfa A297 over Gulf Fork Big 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 November 2024.

How much traffic does Nfa A297 over Gulf Fork Big Creek carry?

About 230 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A297 over Gulf Fork Big Creek?

The structure is 51 ft (15.4 m) long with a longest span of 48 ft (14.6 m) and a deck 14 ft wide.

Who owns Nfa A297 over Gulf Fork Big Creek?

It is owned by the County Highway Agency.