US Bridges

Nfa 5420 over Royster Creek

Good

Shelby County, Tennessee · West Union RD - Millingto · Structure no. 790A0500001

Built
1988
37 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
116 ft
3 main spans
Daily traffic
5,247
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa 5420 over Royster Creek is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa 5420 over Royster 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 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 5,247 vehicles a day, roughly 3% of them trucks, projected to reach 8,395 by 2042. The structure is 116 ft (35.4 m) long and 44 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 5420
CrossesRoyster Creek
LocationWest Union RD - Millingto
RouteCity Street 5420
Coordinates35.36494, -89.91239
Functional classUrban 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 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
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating47.2 US tons
Inventory rating31.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length116 ft (35.4 m)
Longest span39 ft (11.8 m)
Deck width44 ft (13.5 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,247 (2021)
Projected traffic8,395 by 2042
Trucks3%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 5420 over Royster Creek built?

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

What condition is Nfa 5420 over Royster 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 May 2023.

How much traffic does Nfa 5420 over Royster Creek carry?

About 5,247 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 5420 over Royster Creek?

The structure is 116 ft (35.4 m) long with a longest span of 39 ft (11.8 m) and a deck 44 ft wide.

Who owns Nfa 5420 over Royster Creek?

It is owned by the City or Municipal Highway Agency.