US Bridges

Nfa A146 over Cypress Creek

Good

Hardeman County, Tennessee · 2 MI E of Middleton · Structure no. 350A1460001

Built
1989
36 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
91 ft
3 main spans
Daily traffic
170
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A146 over Cypress Creek is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa A146 over Cypress Creek in Hardeman County, Tennessee. It was built in 1989, so it is 36 years old, younger 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 170 vehicles a day, roughly 10% of them trucks, projected to reach 272 by 2040. The structure is 91 ft (27.6 m) long and 24 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNfa A146
CrossesCypress Creek
Location2 MI E of Middleton
RouteCounty Highway 146
Coordinates35.06755, -88.85887
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length91 ft (27.6 m)
Longest span31 ft (9.4 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2020)
Projected traffic272 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 A146 over Cypress Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Nfa A146 over Cypress 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 July 2024.

How much traffic does Nfa A146 over Cypress Creek carry?

About 170 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Nfa A146 over Cypress Creek?

The structure is 91 ft (27.6 m) long with a longest span of 31 ft (9.4 m) and a deck 24 ft wide.

Who owns Nfa A146 over Cypress Creek?

It is owned by the County Highway Agency.