US Bridges

SR 7 over Drainage Canal

Fair

Humphreys County, Mississippi · 3.4 MI N US 49W · Structure no. 310000702700160

Built
1949
76 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
1,100
2023 count
Owner
State
State Highway Agency

About this bridge

SR 7 over Drainage Canal is a concrete culvert carrying SR 7 over Drainage Canal in Humphreys County, Mississippi. It was built in 1949, so it is 76 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 14% of them trucks, projected to reach 1,100 by 2043. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 36 mi (58 km).

Location

Open in Google Maps
CarriesSR 7
CrossesDrainage Canal
Location3.4 MI N US 49W
RouteState Highway 7
CountyHumphreys County
StateMississippi
Coordinates33.22702, -90.48488
Functional classRural Minor Arterial

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.2 US tons
Inventory rating30 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2023)
Projected traffic1,100 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed36 mi (58 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 7 over Drainage Canal built?

It was built in 1949, making it 76 years old in 2025.

What condition is SR 7 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 March 2024.

How much traffic does SR 7 over Drainage Canal carry?

About 1,100 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 7 over Drainage Canal?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).

Who owns SR 7 over Drainage Canal?

It is owned by the State Highway Agency.