US Bridges

Nfa 1234 (sa 6509) over Flat Fork Creek

Good

Morgan County, Tennessee · NE of SR62 @ Frozen Head · Structure no. 65012340003

Built
1988
37 years old
Condition
Good
inspected February 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
87 ft
3 main spans
Daily traffic
2,309
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1234 (sa 6509) over Flat Fork Creek is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa 1234 (sa 6509) over Flat Fork Creek in Morgan County, Tennessee. It was built in 1988, so it is 37 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 2,309 vehicles a day, roughly 3% of them trucks, projected to reach 3,696 by 2041. The structure is 87 ft (26.5 m) long and 24 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesNfa 1234 (sa 6509)
CrossesFlat Fork Creek
LocationNE of SR62 @ Frozen Head
RouteCounty Highway 1234
Coordinates36.12355, -84.51293
Functional classRural Minor Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51.5 US tons
Inventory rating30.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span28 ft (8.5 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,309 (2021)
Projected traffic3,696 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$497,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1234 (sa 6509) over Flat Fork Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Nfa 1234 (sa 6509) over Flat Fork 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 February 2023.

How much traffic does Nfa 1234 (sa 6509) over Flat Fork Creek carry?

About 2,309 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1234 (sa 6509) over Flat Fork Creek?

The structure is 87 ft (26.5 m) long with a longest span of 28 ft (8.5 m) and a deck 24 ft wide.

Who owns Nfa 1234 (sa 6509) over Flat Fork Creek?

It is owned by the County Highway Agency.