US Bridges

Nfa A521 (sa 4907) over Hyde Creek

Fair

Lauderdale County, Tennessee · 1 Mi. W. of Ripley · Structure no. 49S81280003

Built
1996
29 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
114 ft
1 main span
Daily traffic
1,270
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A521 (sa 4907) over Hyde Creek is a prestressed concrete stringer/multi-beam or girder carrying Nfa A521 (sa 4907) over Hyde Creek in Lauderdale County, Tennessee. It was built in 1996, so it is 29 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 1,270 vehicles a day, roughly 1% of them trucks, projected to reach 2,032 by 2042. The structure is 114 ft (34.7 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa A521 (sa 4907)
CrossesHyde Creek
Location1 Mi. W. of Ripley
RouteCounty Highway 521
CountyLauderdale County
StateTennessee
Coordinates35.74381, -89.55886
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.3 US tons
Inventory rating43.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length114 ft (34.7 m)
Longest span114 ft (34.7 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,270 (2020)
Projected traffic2,032 by 2042
Trucks1%
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A521 (sa 4907) over Hyde Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Nfa A521 (sa 4907) over Hyde 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 December 2023.

How much traffic does Nfa A521 (sa 4907) over Hyde Creek carry?

About 1,270 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa A521 (sa 4907) over Hyde Creek?

The structure is 114 ft (34.7 m) long with a longest span of 114 ft (34.7 m) and a deck 30 ft wide.

Who owns Nfa A521 (sa 4907) over Hyde Creek?

It is owned by the County Highway Agency.