US Bridges

Curtis-Lockstation over Bobo Canal

Fair

Panola County, Mississippi · Sec 4 T 9S R 9W B · Structure no. SA5400000000127

Built
1961
64 years old
Condition
Fair
inspected December 2023
Type
Channel Beam
Concrete
Length
176 ft
8 main spans
Daily traffic
140
2024 count
Owner
County
County Highway Agency

About this bridge

Curtis-Lockstation over Bobo Canal is a concrete channel beam carrying Curtis-Lockstation over Bobo Canal in Panola County, Mississippi. It was built in 1961, so it is 64 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 140 vehicles a day, roughly 10% of them trucks, projected to reach 210 by 2044. The structure is 176 ft (53.6 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesCurtis-Lockstation
CrossesBobo Canal
LocationSec 4 T 9S R 9W B
RouteCounty Highway 33
CountyPanola County
StateMississippi
Coordinates34.32977, -90.14117
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating24.8 US tons
Inventory rating18.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans8
Design loadH 15
Structure length176 ft (53.6 m)
Longest span31 ft (9.4 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2024)
Projected traffic210 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.6 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Curtis-Lockstation over Bobo Canal built?

It was built in 1961, making it 64 years old in 2025.

What condition is Curtis-Lockstation over Bobo 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 2023.

How much traffic does Curtis-Lockstation over Bobo Canal carry?

About 140 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Curtis-Lockstation over Bobo Canal?

The structure is 176 ft (53.6 m) long with a longest span of 31 ft (9.4 m) and a deck 25 ft wide.

Who owns Curtis-Lockstation over Bobo Canal?

It is owned by the County Highway Agency.