US Bridges

FAP 13 over Duck River

Poor

Humphreys County, Tennessee · 4 Miles Ne.Of Buffalo · Structure no. 43SR0130013

Built
2005
20 years old
Condition
Poor
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,993 ft
15 main spans
Daily traffic
2,230
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 13 over Duck River is a prestressed concrete continuous stringer/multi-beam or girder carrying FAP 13 over Duck River in Humphreys County, Tennessee. It was built in 2005, so it is 20 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,230 vehicles a day, roughly 15% of them trucks, projected to reach 3,568 by 2042. The structure is 1,993 ft (607.6 m) long and 45 ft wide. If it were closed, the detour would be 60.3 mi (97 km).

CarriesFAP 13
CrossesDuck River
Location4 Miles Ne.Of Buffalo
RouteState Highway 13
Coordinates35.93419, -87.76632
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.1 US tons
Inventory rating32.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans15
Design loadHS 20
Structure length1,993 ft (607.6 m)
Longest span135 ft (41.3 m)
Deck width45 ft (13.8 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,230 (2021)
Projected traffic3,568 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.3 mi (97 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.7 million (2022 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was FAP 13 over Duck River built?

It was built in 2005, making it 20 years old in 2025.

What condition is FAP 13 over Duck River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does FAP 13 over Duck River carry?

About 2,230 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is FAP 13 over Duck River?

The structure is 1,993 ft (607.6 m) long with a longest span of 135 ft (41.3 m) and a deck 45 ft wide.

Who owns FAP 13 over Duck River?

It is owned by the State Highway Agency.