US Bridges

FAU 3701 over Cardiff Creek

Good

Roane County, Tennessee · In the City of Rockwood · Structure no. 73037010005

Built
1969
56 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete Continuous
Length
33 ft
3 main spans
Daily traffic
313
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3701 over Cardiff Creek is a concrete continuous culvert carrying FAU 3701 over Cardiff Creek in Roane County, Tennessee. It was built in 1969, so it is 56 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 313 vehicles a day, roughly 4% of them trucks, projected to reach 325 by 2041. The structure is 33 ft (10.1 m) long.

CarriesFAU 3701
CrossesCardiff Creek
LocationIn the City of Rockwood
RouteCity Street 3701
Coordinates35.89048, -84.63744
Functional classUrban Minor Arterial

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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 spans3
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic313 (2021)
Projected traffic325 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 3701 over Cardiff Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is FAU 3701 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 FAU 3701 over Cardiff Creek carry?

About 313 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 3701 over Cardiff Creek?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m).

Who owns FAU 3701 over Cardiff Creek?

It is owned by the City or Municipal Highway Agency.