US Bridges

Nfa 1657 (sa 5501) over Cypress Creek

Good

McNairy County, Tennessee · 4 MI S of SR57 · Structure no. 55016570003

Built
1988
37 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
107 ft
3 main spans
Daily traffic
60
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1657 (sa 5501) over Cypress Creek is a prestressed concrete box beam or girders - single or spread carrying Nfa 1657 (sa 5501) over Cypress Creek in McNairy 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 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 60 vehicles a day, roughly 2% of them trucks, projected to reach 96 by 2042. The structure is 107 ft (32.5 m) long and 25 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesNfa 1657 (sa 5501)
CrossesCypress Creek
Location4 MI S of SR57
RouteCounty Highway 1657
Coordinates35.02719, -88.70764
Functional classRural Minor Collector

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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than 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 rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length107 ft (32.5 m)
Longest span35 ft (10.8 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2021)
Projected traffic96 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 1657 (sa 5501) over Cypress Creek built?

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

What condition is Nfa 1657 (sa 5501) 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 August 2024.

How much traffic does Nfa 1657 (sa 5501) over Cypress Creek carry?

About 60 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Nfa 1657 (sa 5501) over Cypress Creek?

The structure is 107 ft (32.5 m) long with a longest span of 35 ft (10.8 m) and a deck 25 ft wide.

Who owns Nfa 1657 (sa 5501) over Cypress Creek?

It is owned by the County Highway Agency.