US Bridges

FAU 4030 over Black Creek

Fair

Roane County, Tennessee · In ROCKWOOD-1.6 M N of 70 · Structure no. 730A6610001

Built
1958
67 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
40 ft
3 main spans
Daily traffic
2,713
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 4030 over Black Creek is a concrete continuous culvert carrying FAU 4030 over Black Creek in Roane County, Tennessee. It was built in 1958, so it is 67 years old, older 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 2,713 vehicles a day, roughly 4% of them trucks, projected to reach 4,125 by 2042. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFAU 4030
CrossesBlack Creek
LocationIn ROCKWOOD-1.6 M N of 70
RouteCity Street 4030
Coordinates35.86431, -84.68887
Functional classUrban Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating31.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,713 (2021)
Projected traffic4,125 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 FAU 4030 over Black Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is FAU 4030 over Black 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 March 2023.

How much traffic does FAU 4030 over Black Creek carry?

About 2,713 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 4030 over Black Creek?

The structure is 40 ft (12.2 m) long with a longest span of 12 ft (3.7 m).

Who owns FAU 4030 over Black Creek?

It is owned by the City or Municipal Highway Agency.