US Bridges

CO RD 20 over Unnamed Stream

Good

Yalobusha County, Mississippi · Sec 18 T25N R 4E B · Structure no. SA8100000000055

Built
1992
33 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
200
2014 count
Owner
County
County Highway Agency

About this bridge

CO RD 20 over Unnamed Stream is a concrete culvert carrying CO RD 20 over Unnamed Stream in Yalobusha County, Mississippi. It was built in 1992, so it is 33 years old, younger than the Mississippi average of 38.9 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 200 vehicles a day, roughly 8% of them trucks, projected to reach 300 by 2034. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCO RD 20
CrossesUnnamed Stream
LocationSec 18 T25N R 4E B
RouteCounty Highway 20
Coordinates34.02844, -89.91242
Functional classRural Local

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 inspectionJanuary 2024
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 rating90.4 US tons
Inventory rating54.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 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 traffic200 (2014)
Projected traffic300 by 2034
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CO RD 20 over Unnamed Stream built?

It was built in 1992, making it 33 years old in 2025.

What condition is CO RD 20 over Unnamed Stream 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 January 2024.

How much traffic does CO RD 20 over Unnamed Stream carry?

About 200 vehicles per day (2014 count), of which roughly 8% are trucks.

How long is CO RD 20 over Unnamed Stream?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns CO RD 20 over Unnamed Stream?

It is owned by the County Highway Agency.