US Bridges

SR 305 over Pigeon Roost Canal

Fair

DeSoto County, Mississippi · 7.8 MI S US 78 · Structure no. 310030501701460

Built
1974
51 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
352 ft
4 main spans
Daily traffic
8,800
2023 count
Owner
State
State Highway Agency

About this bridge

SR 305 over Pigeon Roost Canal is a prestressed concrete stringer/multi-beam or girder carrying SR 305 over Pigeon Roost Canal in DeSoto County, Mississippi. It was built in 1974, so it is 51 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 5 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 8,800 vehicles a day, roughly 4% of them trucks, projected to reach 12,000 by 2043. The structure is 352 ft (107.3 m) long and 38 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

CarriesSR 305
CrossesPigeon Roost Canal
Location7.8 MI S US 78
RouteState Highway 305
Coordinates34.82967, -89.82219
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating33.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length352 ft (107.3 m)
Longest span110 ft (33.5 m)
Deck width38 ft (11.5 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,800 (2023)
Projected traffic12,000 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 305 over Pigeon Roost Canal built?

It was built in 1974, making it 51 years old in 2025.

What condition is SR 305 over Pigeon Roost 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 April 2024.

How much traffic does SR 305 over Pigeon Roost Canal carry?

About 8,800 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SR 305 over Pigeon Roost Canal?

The structure is 352 ft (107.3 m) long with a longest span of 110 ft (33.5 m) and a deck 38 ft wide.

Who owns SR 305 over Pigeon Roost Canal?

It is owned by the State Highway Agency.