US Bridges

Nfa A018 over Broyles Creek

Fair

Rhea County, Tennessee · .5MI from SR29 in Dayton · Structure no. 720A6250001

Built
1984
41 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
54 ft
3 main spans
Daily traffic
1,210
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A018 over Broyles Creek is a concrete continuous culvert carrying Nfa A018 over Broyles Creek in Rhea County, Tennessee. It was built in 1984, so it is 41 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 1,210 vehicles a day, roughly 2% of them trucks, projected to reach 1,936 by 2040. The structure is 54 ft (16.5 m) long and 84 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa A018
CrossesBroyles Creek
Location.5MI from SR29 in Dayton
RouteCity Street 18
CountyRhea County
StateTennessee
Coordinates35.47967, -85.02432
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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 geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to 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
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length54 ft (16.5 m)
Longest span18 ft (5.5 m)
Deck width84 ft (25.7 m)
Roadway width52 ft (16 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,210 (2020)
Projected traffic1,936 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 A018 over Broyles Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Nfa A018 over Broyles Creek 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 A018 over Broyles Creek carry?

About 1,210 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A018 over Broyles Creek?

The structure is 54 ft (16.5 m) long with a longest span of 18 ft (5.5 m) and a deck 84 ft wide.

Who owns Nfa A018 over Broyles Creek?

It is owned by the City or Municipal Highway Agency.