US Bridges

Nfa 1707 (sa 0917) over Big Sandy R. Dr. Canal

Fair

Carroll County, Tennessee · 2.9 MI SE JCT SR1&SR114 · Structure no. 09017070007

Built
1989
36 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
282 ft
6 main spans
Daily traffic
849
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1707 (sa 0917) over Big Sandy R. Dr. Canal is a prestressed concrete continuous box beam or girders - multiple carrying Nfa 1707 (sa 0917) over Big Sandy R. Dr. Canal in Carroll County, Tennessee. It was built in 1989, so it is 36 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 849 vehicles a day, roughly 3% of them trucks, projected to reach 1,358 by 2042. The structure is 282 ft (86 m) long and 30 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesNfa 1707 (sa 0917)
CrossesBig Sandy R. Dr. Canal
Location2.9 MI SE JCT SR1&SR114
RouteCounty Highway 1707
CountyCarroll County
StateTennessee
Coordinates36.00225, -88.2455
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating45.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans6
Design loadHS 20
Structure length282 ft (86 m)
Longest span53 ft (16.2 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic849 (2021)
Projected traffic1,358 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 1707 (sa 0917) over Big Sandy R. Dr. Canal built?

It was built in 1989, making it 36 years old in 2025.

What condition is Nfa 1707 (sa 0917) over Big Sandy R. Dr. Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.

How much traffic does Nfa 1707 (sa 0917) over Big Sandy R. Dr. Canal carry?

About 849 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1707 (sa 0917) over Big Sandy R. Dr. Canal?

The structure is 282 ft (86 m) long with a longest span of 53 ft (16.2 m) and a deck 30 ft wide.

Who owns Nfa 1707 (sa 0917) over Big Sandy R. Dr. Canal?

It is owned by the County Highway Agency.