US Bridges

CR 481 over Toposhaw Canal

Fair

Calhoun County, Mississippi · Sec 2 T22N R 9E B · Structure no. SA0700000000087

Built
1980
45 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
222 ft
5 main spans
Daily traffic
380
2015 count
Owner
County
County Highway Agency

About this bridge

CR 481 over Toposhaw Canal is a prestressed concrete stringer/multi-beam or girder carrying CR 481 over Toposhaw Canal in Calhoun County, Mississippi. It was built in 1980, so it is 45 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 380 vehicles a day, roughly 8% of them trucks, projected to reach 570 by 2035. The structure is 222 ft (67.7 m) long and 29 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCR 481
CrossesToposhaw Canal
LocationSec 2 T22N R 9E B
RouteCounty Highway 404
CountyCalhoun County
StateMississippi
Coordinates33.80586, -89.31567
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating28.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 15
Structure length222 ft (67.7 m)
Longest span80 ft (24.4 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic380 (2015)
Projected traffic570 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 CR 481 over Toposhaw Canal built?

It was built in 1980, making it 45 years old in 2025.

What condition is CR 481 over Toposhaw 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 2023.

How much traffic does CR 481 over Toposhaw Canal carry?

About 380 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is CR 481 over Toposhaw Canal?

The structure is 222 ft (67.7 m) long with a longest span of 80 ft (24.4 m) and a deck 29 ft wide.

Who owns CR 481 over Toposhaw Canal?

It is owned by the County Highway Agency.