US Bridges

Nfa 1464 (sa 7921) over Bear Creek

Fair

Shelby County, Tennessee · West Union RD - Shelby CO · Structure no. 79014640001

Built
1988
37 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
53 ft
3 main spans
Daily traffic
2,488
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1464 (sa 7921) over Bear Creek is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa 1464 (sa 7921) over Bear Creek in Shelby County, Tennessee. It was built in 1988, so it is 37 years old, younger 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 2,488 vehicles a day, roughly 3% of them trucks, projected to reach 3,968 by 2041. The structure is 53 ft (16.2 m) long and 39 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesNfa 1464 (sa 7921)
CrossesBear Creek
LocationWest Union RD - Shelby CO
RouteCounty Highway 1464
CountyShelby County
StateTennessee
Coordinates35.36792, -89.94189
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span18 ft (5.5 m)
Deck width39 ft (11.9 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,488 (2021)
Projected traffic3,968 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 1464 (sa 7921) over Bear Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Nfa 1464 (sa 7921) over Bear 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 May 2023.

How much traffic does Nfa 1464 (sa 7921) over Bear Creek carry?

About 2,488 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1464 (sa 7921) over Bear Creek?

The structure is 53 ft (16.2 m) long with a longest span of 18 ft (5.5 m) and a deck 39 ft wide.

Who owns Nfa 1464 (sa 7921) over Bear Creek?

It is owned by the County Highway Agency.