US Bridges

Nfa A286 over Dry Creek

Good

Macon County, Tennessee · 5 M NW Red Boiling Spring · Structure no. 560A2860001

Built
1983
42 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete Continuous
Length
39 ft
2 main spans
Daily traffic
30
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A286 over Dry Creek is a concrete continuous culvert carrying Nfa A286 over Dry Creek in Macon County, Tennessee. It was built in 1983, so it is 42 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, roughly 2% of them trucks, projected to reach 48 by 2041. The structure is 39 ft (11.9 m) long and 17 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNfa A286
CrossesDry Creek
Location5 M NW Red Boiling Spring
RouteCounty Highway 286
Coordinates36.57409, -85.92115
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span15 ft (4.6 m)
Deck width17 ft (5.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2020)
Projected traffic48 by 2041
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 A286 over Dry Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Nfa A286 over Dry 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 August 2023.

How much traffic does Nfa A286 over Dry Creek carry?

About 30 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A286 over Dry Creek?

The structure is 39 ft (11.9 m) long with a longest span of 15 ft (4.6 m) and a deck 17 ft wide.

Who owns Nfa A286 over Dry Creek?

It is owned by the County Highway Agency.