US Bridges

Nfa A603 over Anderson Branch

Poor

Madison County, Tennessee · In the City of Jackson · Structure no. 570A6030001

Built
1977
48 years old
Condition
Poor
inspected May 2023
Type
Culvert
Steel
Length
38 ft
4 main spans
Daily traffic
810
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A603 over Anderson Branch is a steel culvert carrying Nfa A603 over Anderson Branch in Madison County, Tennessee. It was built in 1977, so it is 48 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 810 vehicles a day, roughly 4% of them trucks, projected to reach 1,296 by 2041. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNfa A603
CrossesAnderson Branch
LocationIn the City of Jackson
RouteCity Street 603
CountyMadison County
StateTennessee
Coordinates35.61028, -88.80519
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating85.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadH 15
Structure length38 ft (11.6 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic810 (2020)
Projected traffic1,296 by 2041
Trucks4%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$281,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A603 over Anderson Branch built?

It was built in 1977, making it 48 years old in 2025.

What condition is Nfa A603 over Anderson Branch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.

How much traffic does Nfa A603 over Anderson Branch carry?

About 810 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A603 over Anderson Branch?

The structure is 38 ft (11.6 m) long with a longest span of 7 ft (2.1 m).

Who owns Nfa A603 over Anderson Branch?

It is owned by the City or Municipal Highway Agency.