US Bridges

Curtis Road over Bobo Bayou

FairPosted for load

Panola County, Mississippi · Sec 3 T 9S R 9W B · Structure no. SA5400000000126

Built
1962
63 years old
Condition
Fair
inspected December 2023
Type
Channel Beam
Concrete
Length
145 ft
7 main spans
Daily traffic
800
2022 count
Owner
County
County Highway Agency

About this bridge

Curtis Road over Bobo Bayou is a concrete channel beam carrying Curtis Road over Bobo Bayou in Panola County, Mississippi. It was built in 1962, so it is 63 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. Its operating status is: posted for load restriction.

It carries about 800 vehicles a day, roughly 8% of them trucks, projected to reach 1,200 by 2042. The structure is 145 ft (44.2 m) long and 27 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

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CarriesCurtis Road
CrossesBobo Bayou
LocationSec 3 T 9S R 9W B
RouteCounty Highway 840
CountyPanola County
StateMississippi
Coordinates34.33993, -90.12589
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
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.8 US tons
Inventory rating18.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans7
Design loadH 15
Structure length145 ft (44.2 m)
Longest span31 ft (9.4 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2022)
Projected traffic1,200 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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$1.3 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Curtis Road over Bobo Bayou built?

It was built in 1962, making it 63 years old in 2025.

What condition is Curtis Road over Bobo Bayou 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 Road over Bobo Bayou carry?

About 800 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Curtis Road over Bobo Bayou?

The structure is 145 ft (44.2 m) long with a longest span of 31 ft (9.4 m) and a deck 27 ft wide.

Who owns Curtis Road over Bobo Bayou?

It is owned by the County Highway Agency.