US Bridges

Nfa 1686 (sa 1213) over Dry Branch

Good

Chester County, Tennessee · 3.5 MI SE JCT SR100&SR200 · Structure no. 12S81640005

Built
2011
14 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
296
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1686 (sa 1213) over Dry Branch is a prestressed concrete box beam or girders - multiple carrying Nfa 1686 (sa 1213) over Dry Branch in Chester County, Tennessee. It was built in 2011, so it is 14 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 296 vehicles a day, roughly 3% of them trucks, projected to reach 397 by 2041. The structure is 60 ft (18.3 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 1686 (sa 1213)
CrossesDry Branch
Location3.5 MI SE JCT SR100&SR200
RouteCounty Highway 1686
Coordinates35.42696, -88.58234
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating33.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length60 ft (18.3 m)
Longest span60 ft (18.3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic296 (2021)
Projected traffic397 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 1686 (sa 1213) over Dry Branch built?

It was built in 2011, making it 14 years old in 2025.

What condition is Nfa 1686 (sa 1213) over Dry Branch 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 2023.

How much traffic does Nfa 1686 (sa 1213) over Dry Branch carry?

About 296 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1686 (sa 1213) over Dry Branch?

The structure is 60 ft (18.3 m) long with a longest span of 60 ft (18.3 m) and a deck 26 ft wide.

Who owns Nfa 1686 (sa 1213) over Dry Branch?

It is owned by the County Highway Agency.