US Bridges

Nfa A403 over Barren Fork River

Fair

Warren County, Tennessee · .71 MI from SR55 · Structure no. 890A4030001

Built
1985
40 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
271 ft
4 main spans
Daily traffic
710
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A403 over Barren Fork River is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa A403 over Barren Fork River in Warren County, Tennessee. It was built in 1985, so it is 40 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 710 vehicles a day, roughly 2% of them trucks, projected to reach 1,136 by 2042. The structure is 271 ft (82.6 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNfa A403
CrossesBarren Fork River
Location.71 MI from SR55
RouteCounty Highway 403
CountyWarren County
StateTennessee
Coordinates35.67403, -85.7697
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43.5 US tons
Inventory rating18.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length271 ft (82.6 m)
Longest span67 ft (20.4 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic710 (2020)
Projected traffic1,136 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$295,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A403 over Barren Fork River built?

It was built in 1985, making it 40 years old in 2025.

What condition is Nfa A403 over Barren Fork 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 March 2023.

How much traffic does Nfa A403 over Barren Fork River carry?

About 710 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A403 over Barren Fork River?

The structure is 271 ft (82.6 m) long with a longest span of 67 ft (20.4 m) and a deck 30 ft wide.

Who owns Nfa A403 over Barren Fork River?

It is owned by the County Highway Agency.