US Bridges

County Road 46 over Drainage Canal

Fair

Union County, Mississippi · Sec 35 T 7S R 1E B · Structure no. SA7300000000075

Built
1963
62 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
35 ft
2 main spans
Daily traffic
1,100
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 46 over Drainage Canal is a concrete culvert carrying County Road 46 over Drainage Canal in Union County, Mississippi. It was built in 1963, so it is 62 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 1,100 vehicles a day, roughly 8% of them trucks, projected to reach 1,650 by 2042. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 13 mi (21 km).

Location

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CarriesCounty Road 46
CrossesDrainage Canal
LocationSec 35 T 7S R 1E B
RouteCounty Highway 923
CountyUnion County
StateMississippi
Coordinates34.43678, -89.17595
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 inspectionNovember 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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 15
Structure length35 ft (10.7 m)
Longest span17 ft (5.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2022)
Projected traffic1,650 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 County Road 46 over Drainage Canal built?

It was built in 1963, making it 62 years old in 2025.

What condition is County Road 46 over Drainage Canal 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 November 2023.

How much traffic does County Road 46 over Drainage Canal carry?

About 1,100 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is County Road 46 over Drainage Canal?

The structure is 35 ft (10.7 m) long with a longest span of 17 ft (5.2 m).

Who owns County Road 46 over Drainage Canal?

It is owned by the County Highway Agency.