US Bridges

Nfa A717 (sa 3709) over Dodson Creek

Good

Hawkins County, Tennessee · 2.7 M SE of SR66-SR70 JCT · Structure no. 370A7170001

Built
2004
21 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete
Length
40 ft
1 main span
Daily traffic
180
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A717 (sa 3709) over Dodson Creek is a concrete slab carrying Nfa A717 (sa 3709) over Dodson Creek in Hawkins County, Tennessee. It was built in 2004, so it is 21 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 180 vehicles a day, roughly 2% of them trucks, projected to reach 288 by 2039. The structure is 40 ft (12.2 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesNfa A717 (sa 3709)
CrossesDodson Creek
Location2.7 M SE of SR66-SR70 JCT
RouteCounty Highway 717
CountyHawkins County
StateTennessee
Coordinates36.34207, -82.97577
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 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 alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width32 ft (9.8 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2020)
Projected traffic288 by 2039
Trucks2%
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 A717 (sa 3709) over Dodson Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Nfa A717 (sa 3709) over Dodson 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 2023.

How much traffic does Nfa A717 (sa 3709) over Dodson Creek carry?

About 180 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A717 (sa 3709) over Dodson Creek?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 32 ft wide.

Who owns Nfa A717 (sa 3709) over Dodson Creek?

It is owned by the County Highway Agency.