US Bridges

Nfa 839 (sa 2213) over Johnson Creek

Good

Dickson County, Tennessee · 1.5 M. Nw. SR49. · Structure no. 22003890001

Built
1984
41 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
174 ft
3 main spans
Daily traffic
591
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 839 (sa 2213) over Johnson Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa 839 (sa 2213) over Johnson Creek in Dickson County, Tennessee. It was built in 1984, so it is 41 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 591 vehicles a day, roughly 1% of them trucks, projected to reach 1,072 by 2040. The structure is 174 ft (53 m) long and 28 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNfa 839 (sa 2213)
CrossesJohnson Creek
Location1.5 M. Nw. SR49.
RouteCounty Highway 839
Coordinates36.28167, -87.24187
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
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 alignment6: Equal to present minimum criteria
Operating rating60.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length174 ft (53 m)
Longest span58 ft (17.7 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic591 (2021)
Projected traffic1,072 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 839 (sa 2213) over Johnson Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Nfa 839 (sa 2213) over Johnson 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 June 2024.

How much traffic does Nfa 839 (sa 2213) over Johnson Creek carry?

About 591 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Nfa 839 (sa 2213) over Johnson Creek?

The structure is 174 ft (53 m) long with a longest span of 58 ft (17.7 m) and a deck 28 ft wide.

Who owns Nfa 839 (sa 2213) over Johnson Creek?

It is owned by the County Highway Agency.