US Bridges

FAU 1 841881K over Sou Rwy & Black Creek

Good

Roane County, Tennessee · 2.46 Mi.S.Of Cumberland · Structure no. 73SR0010001

Built
1952
73 years old, rebuilt 2010
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
257 ft
9 main spans
Daily traffic
2,953
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 1 841881K over Sou Rwy & Black Creek is a prestressed concrete continuous box beam or girders - single or spread carrying FAU 1 841881K over Sou Rwy & Black Creek in Roane County, Tennessee. It was built in 1952 and reconstructed in 2010, so it is 73 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 2,953 vehicles a day, roughly 3% of them trucks, projected to reach 4,315 by 2041. The structure is 257 ft (78.2 m) long and 34 ft wide. If it were closed, the detour would be 80.2 mi (129 km).

CarriesFAU 1 841881K
CrossesSou Rwy & Black Creek
Location2.46 Mi.S.Of Cumberland
RouteU.S. Route 70
Coordinates35.84575, -84.7076
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating37.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length257 ft (78.2 m)
Longest span29 ft (8.7 m)
Deck width34 ft (10.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,953 (2021)
Projected traffic4,315 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed80.2 mi (129 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$959,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 1 841881K over Sou Rwy & Black Creek built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 2010.

What condition is FAU 1 841881K over Sou Rwy & Black 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 May 2023.

How much traffic does FAU 1 841881K over Sou Rwy & Black Creek carry?

About 2,953 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is FAU 1 841881K over Sou Rwy & Black Creek?

The structure is 257 ft (78.2 m) long with a longest span of 29 ft (8.7 m) and a deck 34 ft wide.

Who owns FAU 1 841881K over Sou Rwy & Black Creek?

It is owned by the State Highway Agency.