US Bridges

SR 161 over Drainage Canal

Fair

Bolivar County, Mississippi · 1.4 MI S SR 32 · Structure no. 210006100623680

Built
1936
89 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
25 ft
1 main span
Daily traffic
2,300
2023 count
Owner
State
State Highway Agency

About this bridge

SR 161 over Drainage Canal is a concrete culvert carrying SR 161 over Drainage Canal in Bolivar County, Mississippi. It was built in 1936, so it is 89 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 2,300 vehicles a day, roughly 6% of them trucks, projected to reach 2,300 by 2043. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 161
CrossesDrainage Canal
Location1.4 MI S SR 32
RouteState Highway 161
Coordinates33.93054, -90.76555
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.4 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length25 ft (7.6 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 traffic2,300 (2023)
Projected traffic2,300 by 2043
Trucks6%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$309 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 161 over Drainage Canal built?

It was built in 1936, making it 89 years old in 2025.

What condition is SR 161 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 December 2024.

How much traffic does SR 161 over Drainage Canal carry?

About 2,300 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is SR 161 over Drainage Canal?

The structure is 25 ft (7.6 m) long with a longest span of 20 ft (6.1 m).

Who owns SR 161 over Drainage Canal?

It is owned by the State Highway Agency.