US Bridges

Nfa 1466 (sa 7928) over Overflow

Fair

Shelby County, Tennessee · Kerr-Rosemark Rd-Shelby · Structure no. 79014660007

Built
1965
60 years old
Condition
Fair
inspected May 2023
Type
Channel Beam
Concrete
Length
51 ft
3 main spans
Daily traffic
987
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1466 (sa 7928) over Overflow is a concrete channel beam carrying Nfa 1466 (sa 7928) over Overflow in Shelby County, Tennessee. It was built in 1965, so it is 60 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 987 vehicles a day, roughly 3% of them trucks, projected to reach 624 by 2041. The structure is 51 ft (15.5 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 1466 (sa 7928)
CrossesOverflow
LocationKerr-Rosemark Rd-Shelby
RouteCounty Highway 1466
CountyShelby County
StateTennessee
Coordinates35.36511, -89.80014
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 10
Structure length51 ft (15.5 m)
Longest span17 ft (5.2 m)
Deck width35 ft (10.6 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic987 (2021)
Projected traffic624 by 2041
Trucks3%
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

OwnerCounty Highway Agency
Maintained byCounty 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 1466 (sa 7928) over Overflow built?

It was built in 1965, making it 60 years old in 2025.

What condition is Nfa 1466 (sa 7928) over Overflow 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 May 2023.

How much traffic does Nfa 1466 (sa 7928) over Overflow carry?

About 987 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1466 (sa 7928) over Overflow?

The structure is 51 ft (15.5 m) long with a longest span of 17 ft (5.2 m) and a deck 35 ft wide.

Who owns Nfa 1466 (sa 7928) over Overflow?

It is owned by the County Highway Agency.