US Bridges

Jonestwn-Claremont over Cassidy Bayou(big Creek)

Fair

Coahoma County, Mississippi · Sec 36 T27N R 3W B · Structure no. SA1400000000050

Built
1970
55 years old
Condition
Fair
inspected February 2023
Type
Channel Beam
Concrete
Length
247 ft
13 main spans
Daily traffic
90
2023 count
Owner
County
County Highway Agency

About this bridge

Jonestwn-Claremont over Cassidy Bayou(big Creek) is a concrete channel beam carrying Jonestwn-Claremont over Cassidy Bayou(big Creek) in Coahoma County, Mississippi. It was built in 1970, so it is 55 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 90 vehicles a day, roughly 8% of them trucks, projected to reach 135 by 2043. The structure is 247 ft (75.3 m) long and 28 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesJonestwn-Claremont
CrossesCassidy Bayou(big Creek)
LocationSec 36 T27N R 3W B
RouteCounty Highway 1856
Coordinates34.17389, -90.46842
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating38.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans13
Design loadH 15
Structure length247 ft (75.3 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2023)
Projected traffic135 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$717,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Jonestwn-Claremont over Cassidy Bayou(big Creek) built?

It was built in 1970, making it 55 years old in 2025.

What condition is Jonestwn-Claremont over Cassidy Bayou(big Creek) 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 February 2023.

How much traffic does Jonestwn-Claremont over Cassidy Bayou(big Creek) carry?

About 90 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Jonestwn-Claremont over Cassidy Bayou(big Creek)?

The structure is 247 ft (75.3 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns Jonestwn-Claremont over Cassidy Bayou(big Creek)?

It is owned by the County Highway Agency.