US Bridges

Nfa 1415 over Honeycomb Creek

Good

Unicoi County, Tennessee · Just S of Carter CO Line · Structure no. 86025590003

Built
1965
60 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
1,347
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1415 over Honeycomb Creek is a concrete continuous culvert carrying Nfa 1415 over Honeycomb Creek in Unicoi County, Tennessee. It was built in 1965, so it is 60 years old, older 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.

It carries about 1,347 vehicles a day, roughly 3% of them trucks, projected to reach 1,792 by 2040. The structure is 31 ft (9.5 m) long and 27 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesNfa 1415
CrossesHoneycomb Creek
LocationJust S of Carter CO Line
RouteCounty Highway 1415
Coordinates36.23818, -82.27032
Functional classRural Minor Collector

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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length31 ft (9.5 m)
Longest span14 ft (4.3 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,347 (2021)
Projected traffic1,792 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 1415 over Honeycomb Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Nfa 1415 over Honeycomb 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 July 2024.

How much traffic does Nfa 1415 over Honeycomb Creek carry?

About 1,347 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1415 over Honeycomb Creek?

The structure is 31 ft (9.5 m) long with a longest span of 14 ft (4.3 m) and a deck 27 ft wide.

Who owns Nfa 1415 over Honeycomb Creek?

It is owned by the County Highway Agency.