US Bridges

Nfa B510 over Magnolia / Anderson Br

Good

Madison County, Tennessee · In Jackson City Limits · Structure no. 57M30570001

Built
1992
33 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
1,360
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa B510 over Magnolia / Anderson Br is a prestressed concrete box beam or girders - multiple carrying Nfa B510 over Magnolia / Anderson Br in Madison County, Tennessee. It was built in 1992, so it is 33 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 1,360 vehicles a day, roughly 1% of them trucks, projected to reach 2,176 by 2041. The structure is 50 ft (15.1 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNfa B510
CrossesMagnolia / Anderson Br
LocationIn Jackson City Limits
RouteCity Street 510
CountyMadison County
StateTennessee
Coordinates35.60392, -88.80791
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length50 ft (15.1 m)
Longest span50 ft (15.1 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,360 (2020)
Projected traffic2,176 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$226,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa B510 over Magnolia / Anderson Br built?

It was built in 1992, making it 33 years old in 2025.

What condition is Nfa B510 over Magnolia / Anderson Br 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 B510 over Magnolia / Anderson Br carry?

About 1,360 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa B510 over Magnolia / Anderson Br?

The structure is 50 ft (15.1 m) long with a longest span of 50 ft (15.1 m) and a deck 26 ft wide.

Who owns Nfa B510 over Magnolia / Anderson Br?

It is owned by the City or Municipal Highway Agency.