US Bridges

FAP 402 (sr 40) over London Branch

Good

Bradley County, Tennessee · 4 MI from Polk CO Line · Structure no. 06SR0400005

Built
1971
54 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
13,704
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 402 (sr 40) over London Branch is a concrete continuous culvert carrying FAP 402 (sr 40) over London Branch in Bradley County, Tennessee. It was built in 1971, so it is 54 years old, older 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 13,704 vehicles a day, roughly 9% of them trucks, projected to reach 21,560 by 2041. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesFAP 402 (sr 40)
CrossesLondon Branch
Location4 MI from Polk CO Line
RouteU.S. Route 64
Coordinates35.1329, -84.74907
Functional classUrban Other Principal Arterial

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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 20
Structure length38 ft (11.6 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,704 (2021)
Projected traffic21,560 by 2041
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 FAP 402 (sr 40) over London Branch built?

It was built in 1971, making it 54 years old in 2025.

What condition is FAP 402 (sr 40) over London 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 July 2023.

How much traffic does FAP 402 (sr 40) over London Branch carry?

About 13,704 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAP 402 (sr 40) over London Branch?

The structure is 38 ft (11.6 m) long with a longest span of 10 ft (3 m).

Who owns FAP 402 (sr 40) over London Branch?

It is owned by the State Highway Agency.