US Bridges

Nfa A645 over Anderson Branch

Good

Madison County, Tennessee · In the City of Jackson · Structure no. 570A6450001

Built
1986
39 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete Continuous
Length
51 ft
3 main spans
Daily traffic
2,430
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A645 over Anderson Branch is a concrete continuous culvert carrying Nfa A645 over Anderson Branch in Madison County, Tennessee. It was built in 1986, so it is 39 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 2,430 vehicles a day, roughly 4% of them trucks, projected to reach 3,888 by 2041. The structure is 51 ft (15.4 m) long and 46 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesNfa A645
CrossesAnderson Branch
LocationIn the City of Jackson
RouteCity Street 645
CountyMadison County
StateTennessee
Coordinates35.62094, -88.79461
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94.7 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length51 ft (15.4 m)
Longest span15 ft (4.6 m)
Deck width46 ft (13.9 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,430 (2020)
Projected traffic3,888 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.8 mi (11 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 A645 over Anderson Branch built?

It was built in 1986, making it 39 years old in 2025.

What condition is Nfa A645 over Anderson Branch 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 A645 over Anderson Branch carry?

About 2,430 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A645 over Anderson Branch?

The structure is 51 ft (15.4 m) long with a longest span of 15 ft (4.6 m) and a deck 46 ft wide.

Who owns Nfa A645 over Anderson Branch?

It is owned by the City or Municipal Highway Agency.