US Bridges

Nfa A404 over Pigeon River

Fair

Cocke County, Tennessee · S of I40 2 M W of Hartfrd · Structure no. 150A4050001

Built
1981
44 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
300 ft
4 main spans
Daily traffic
250
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A404 over Pigeon River is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa A404 over Pigeon River in Cocke County, Tennessee. It was built in 1981, so it is 44 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 250 vehicles a day, roughly 2% of them trucks, projected to reach 400 by 2040. The structure is 300 ft (91.4 m) long and 33 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesNfa A404
CrossesPigeon River
LocationS of I40 2 M W of Hartfrd
RouteCounty Highway 404
CountyCocke County
StateTennessee
Coordinates35.81175, -83.17529
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating83.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length300 ft (91.4 m)
Longest span75 ft (22.9 m)
Deck width33 ft (10.2 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2020)
Projected traffic400 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 A404 over Pigeon River built?

It was built in 1981, making it 44 years old in 2025.

What condition is Nfa A404 over Pigeon 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 October 2024.

How much traffic does Nfa A404 over Pigeon River carry?

About 250 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A404 over Pigeon River?

The structure is 300 ft (91.4 m) long with a longest span of 75 ft (22.9 m) and a deck 33 ft wide.

Who owns Nfa A404 over Pigeon River?

It is owned by the County Highway Agency.