US Bridges

Nfa A199 over Carson Fork Creek

Good

Cannon County, Tennessee · 5MI South of US70S · Structure no. 080A1990003

Built
1985
40 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
156 ft
3 main spans
Daily traffic
290
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A199 over Carson Fork Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa A199 over Carson Fork Creek in Cannon County, Tennessee. It was built in 1985, so it is 40 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 290 vehicles a day, roughly 2% of them trucks, projected to reach 464 by 2041. The structure is 156 ft (47.7 m) long and 26 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesNfa A199
CrossesCarson Fork Creek
Location5MI South of US70S
RouteCounty Highway 199
CountyCannon County
StateTennessee
Coordinates35.77503, -86.13219
Functional classRural 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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.1 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length156 ft (47.7 m)
Longest span52 ft (15.9 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic290 (2020)
Projected traffic464 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A199 over Carson Fork Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Nfa A199 over Carson 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 May 2023.

How much traffic does Nfa A199 over Carson Fork Creek carry?

About 290 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A199 over Carson Fork Creek?

The structure is 156 ft (47.7 m) long with a longest span of 52 ft (15.9 m) and a deck 26 ft wide.

Who owns Nfa A199 over Carson Fork Creek?

It is owned by the County Highway Agency.