US Bridges

Nfa A428 over Cypress Creek

Fair

McNairy County, Tennessee · 0.6 MI S of Selmer · Structure no. 550A4280001

Built
1970
55 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
132 ft
3 main spans
Daily traffic
610
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A428 over Cypress Creek is a prestressed concrete box beam or girders - single or spread carrying Nfa A428 over Cypress Creek in McNairy County, Tennessee. It was built in 1970, so it is 55 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 610 vehicles a day, roughly 2% of them trucks, projected to reach 976 by 2040. The structure is 132 ft (40.2 m) long and 30 ft wide. If it were closed, the detour would be 124.3 mi (200 km).

Location

Open in Google Maps
CarriesNfa A428
CrossesCypress Creek
Location0.6 MI S of Selmer
RouteCity Street 428
CountyMcNairy County
StateTennessee
Coordinates35.16636, -88.59758
Functional classRural Local

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 inspectionAugust 2024
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadH 15
Structure length132 ft (40.2 m)
Longest span45 ft (13.6 m)
Deck width30 ft (9.2 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic610 (2020)
Projected traffic976 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed124.3 mi (200 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$914,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A428 over Cypress Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Nfa A428 over Cypress 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 August 2024.

How much traffic does Nfa A428 over Cypress Creek carry?

About 610 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A428 over Cypress Creek?

The structure is 132 ft (40.2 m) long with a longest span of 45 ft (13.6 m) and a deck 30 ft wide.

Who owns Nfa A428 over Cypress Creek?

It is owned by the City or Municipal Highway Agency.