US Bridges

Yokohama Road over Unnamed Stream

Fair

Clay County, Mississippi · Sec 34 T16S R 6E B · Structure no. SA1300000000120

Built
2015
10 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
46 ft
2 main spans
Daily traffic
660
2022 count
Owner
County
County Highway Agency

About this bridge

Yokohama Road over Unnamed Stream is a concrete culvert carrying Yokohama Road over Unnamed Stream in Clay County, Mississippi. It was built in 2015, so it is 10 years old, younger 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 660 vehicles a day, roughly 15% of them trucks, projected to reach 990 by 2044. The structure is 46 ft (14.1 m) long and 98 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesYokohama Road
CrossesUnnamed Stream
LocationSec 34 T16S R 6E B
RouteCounty Highway 0
CountyClay County
StateMississippi
Coordinates33.64067, -88.66189
Functional classRural Minor 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 inspectionDecember 2023
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 geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating34.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length46 ft (14.1 m)
Longest span23 ft (6.9 m)
Deck width98 ft (29.8 m)
Roadway width96 ft (29.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic660 (2022)
Projected traffic990 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Yokohama Road over Unnamed Stream built?

It was built in 2015, making it 10 years old in 2025.

What condition is Yokohama Road over Unnamed Stream 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 2023.

How much traffic does Yokohama Road over Unnamed Stream carry?

About 660 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Yokohama Road over Unnamed Stream?

The structure is 46 ft (14.1 m) long with a longest span of 23 ft (6.9 m) and a deck 98 ft wide.

Who owns Yokohama Road over Unnamed Stream?

It is owned by the County Highway Agency.