US Bridges

Silo Road over Floyd Creek

Fair

Panola County, Mississippi · Sec 3 T 8S R 9W · Structure no. SA5400000000089

Built
1955
70 years old
Condition
Fair
inspected December 2024
Type
Channel Beam
Concrete
Length
69 ft
3 main spans
Daily traffic
95
2024 count
Owner
County
County Highway Agency

About this bridge

Silo Road over Floyd Creek is a concrete channel beam carrying Silo Road over Floyd Creek in Panola County, Mississippi. It was built in 1955, so it is 70 years old, older than the Mississippi average of 38.9 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 95 vehicles a day, projected to reach 143 by 2044. The structure is 69 ft (21 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSilo Road
CrossesFloyd Creek
LocationSec 3 T 8S R 9W
RouteCounty Highway 179
Coordinates34.42299, -90.12885
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating60.4 US tons
Inventory rating36 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length69 ft (21 m)
Longest span31 ft (9.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic95 (2024)
Projected traffic143 by 2044
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$434,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Silo Road over Floyd Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is Silo Road over Floyd 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 December 2024.

How much traffic does Silo Road over Floyd Creek carry?

About 95 vehicles per day (2024 count).

How long is Silo Road over Floyd Creek?

The structure is 69 ft (21 m) long with a longest span of 31 ft (9.4 m) and a deck 26 ft wide.

Who owns Silo Road over Floyd Creek?

It is owned by the County Highway Agency.