US Bridges

FAP 50 over Snake Creek

Fair

Marshall County, Tennessee · 2.1 M E JCT SR11&SR50 · Structure no. 59SR0500005

Built
1936
89 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete
Length
86 ft
3 main spans
Daily traffic
8,437
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 50 over Snake Creek is a concrete tee beam carrying FAP 50 over Snake Creek in Marshall County, Tennessee. It was built in 1936, so it is 89 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 8,437 vehicles a day, roughly 9% of them trucks, projected to reach 13,360 by 2041. The structure is 86 ft (26.1 m) long and 27 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesFAP 50
CrossesSnake Creek
Location2.1 M E JCT SR11&SR50
RouteU.S. Route 431
CountyMarshall County
StateTennessee
Coordinates35.43858, -86.75142
Functional classUrban Other Principal 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating30.3 US tons
Inventory rating23.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length86 ft (26.1 m)
Longest span29 ft (8.7 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,437 (2021)
Projected traffic13,360 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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$517,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 50 over Snake Creek built?

It was built in 1936, making it 89 years old in 2025.

What condition is FAP 50 over Snake Creek 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 Snake Creek carry?

About 8,437 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAP 50 over Snake Creek?

The structure is 86 ft (26.1 m) long with a longest span of 29 ft (8.7 m) and a deck 27 ft wide.

Who owns FAP 50 over Snake Creek?

It is owned by the State Highway Agency.