US Bridges

Nfa 1113 (sa 1602) over Duck River

Fair

Coffee County, Tennessee · 2.7 MI from Ghe RD · Structure no. 16F00270003

Built
1974
51 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
789 ft
5 main spans
Daily traffic
2,446
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1113 (sa 1602) over Duck River is a steel continuous stringer/multi-beam or girder carrying Nfa 1113 (sa 1602) over Duck River in Coffee County, Tennessee. It was built in 1974, so it is 51 years old, older 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 5 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 2,446 vehicles a day, roughly 3% of them trucks, projected to reach 3,696 by 2041. The structure is 789 ft (240.5 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesNfa 1113 (sa 1602)
CrossesDuck River
Location2.7 MI from Ghe RD
RouteCounty Highway 1113
Coordinates35.45888, -86.21133
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.4 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length789 ft (240.5 m)
Longest span186 ft (56.7 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,446 (2021)
Projected traffic3,696 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 1113 (sa 1602) over Duck River built?

It was built in 1974, making it 51 years old in 2025.

What condition is Nfa 1113 (sa 1602) over Duck River 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 April 2024.

How much traffic does Nfa 1113 (sa 1602) over Duck River carry?

About 2,446 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1113 (sa 1602) over Duck River?

The structure is 789 ft (240.5 m) long with a longest span of 186 ft (56.7 m) and a deck 33 ft wide.

Who owns Nfa 1113 (sa 1602) over Duck River?

It is owned by the County Highway Agency.