US Bridges

Nfa B419 over Walker Fork Creek

GoodPosted for load

Sullivan County, Tennessee · S Off SR347-BLAIR Gap RD · Structure no. 820B4190001

Built
2015
10 years old
Condition
Good
inspected March 2024
Type
Culvert
Steel
Length
21 ft
2 main spans
Daily traffic
125
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa B419 over Walker Fork Creek is a steel culvert carrying Nfa B419 over Walker Fork Creek in Sullivan County, Tennessee. It was built in 2015, so it is 10 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 125 vehicles a day, roughly 2% of them trucks, projected to reach 200 by 2042. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNfa B419
CrossesWalker Fork Creek
LocationS Off SR347-BLAIR Gap RD
RouteCounty Highway 419
Coordinates36.4529, -82.66895
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating23.3 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2020)
Projected traffic200 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 B419 over Walker Fork Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is Nfa B419 over Walker Fork Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does Nfa B419 over Walker Fork Creek carry?

About 125 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa B419 over Walker Fork Creek?

The structure is 21 ft (6.4 m) long with a longest span of 8 ft (2.4 m).

Who owns Nfa B419 over Walker Fork Creek?

It is owned by the County Highway Agency.