US Bridges

Nfa A992 over Cardiff Creek

GoodPosted for load

Roane County, Tennessee · N Off US 27-.7 M W of 382 · Structure no. 730A6560001

Built
2016
9 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
38 ft
2 main spans
Daily traffic
60
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A992 over Cardiff Creek is a concrete culvert carrying Nfa A992 over Cardiff Creek in Roane County, Tennessee. It was built in 2016, so it is 9 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. Its operating status is: posted for other load-capacity restriction.

It carries about 60 vehicles a day, roughly 2% of them trucks, projected to reach 96 by 2041. The structure is 38 ft (11.6 m) long and 22 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesNfa A992
CrossesCardiff Creek
LocationN Off US 27-.7 M W of 382
RouteCity Street 992
CountyRoane County
StateTennessee
Coordinates35.8917, -84.63047
Functional classUrban 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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length38 ft (11.6 m)
Longest span18 ft (5.5 m)
Deck width22 ft (6.6 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2020)
Projected traffic96 by 2041
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$482,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A992 over Cardiff Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is Nfa A992 over Cardiff 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 April 2023.

How much traffic does Nfa A992 over Cardiff Creek carry?

About 60 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A992 over Cardiff Creek?

The structure is 38 ft (11.6 m) long with a longest span of 18 ft (5.5 m) and a deck 22 ft wide.

Who owns Nfa A992 over Cardiff Creek?

It is owned by the City or Municipal Highway Agency.