US Bridges

FAP 50 over Lazy Branch

Fair

Marshall County, Tennessee · 3.1 M SE JCT SR271&SR50 · Structure no. 59SR0500009

Built
1935
90 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete Continuous
Length
63 ft
4 main spans
Daily traffic
3,800
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 50 over Lazy Branch is a concrete continuous culvert carrying FAP 50 over Lazy Branch in Marshall County, Tennessee. It was built in 1935, so it is 90 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,800 vehicles a day, roughly 6% of them trucks, projected to reach 5,696 by 2041. The structure is 63 ft (19.3 m) long and 28 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

Location

Open in Google Maps
CarriesFAP 50
CrossesLazy Branch
Location3.1 M SE JCT SR271&SR50
RouteU.S. Route 431
CountyMarshall County
StateTennessee
Coordinates35.37353, -86.6878
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length63 ft (19.3 m)
Longest span10 ft (3 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2021)
Projected traffic5,696 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$308,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 50 over Lazy Branch built?

It was built in 1935, making it 90 years old in 2025.

What condition is FAP 50 over Lazy Branch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does FAP 50 over Lazy Branch carry?

About 3,800 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAP 50 over Lazy Branch?

The structure is 63 ft (19.3 m) long with a longest span of 10 ft (3 m) and a deck 28 ft wide.

Who owns FAP 50 over Lazy Branch?

It is owned by the State Highway Agency.