US Bridges

Sylvarena Rd. over Dye Creek

Fair

Copiah County, Mississippi · Sec 33 T 9N R 8E B · Structure no. SA1500000000113

Built
1979
46 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
2,100
2024 count
Owner
County
County Highway Agency

About this bridge

Sylvarena Rd. over Dye Creek is a concrete culvert carrying Sylvarena Rd. over Dye Creek in Copiah County, Mississippi. It was built in 1979, so it is 46 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 2,100 vehicles a day, roughly 8% of them trucks, projected to reach 4,000 by 2046. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSylvarena Rd.
CrossesDye Creek
LocationSec 33 T 9N R 8E B
RouteCounty Highway 318
Coordinates31.71129, -90.40331
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.8 US tons
Inventory rating29.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2024)
Projected traffic4,000 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$171,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sylvarena Rd. over Dye Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is Sylvarena Rd. over Dye 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 April 2024.

How much traffic does Sylvarena Rd. over Dye Creek carry?

About 2,100 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Sylvarena Rd. over Dye Creek?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m).

Who owns Sylvarena Rd. over Dye Creek?

It is owned by the County Highway Agency.