US Bridges

CR 20 over Branch of Yalobusha Ck

FairPosted for load

Chickasaw County, Mississippi · Sec 22 T13S R 2E B · Structure no. SA0900000000040

Built
1970
55 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
57 ft
3 main spans
Daily traffic
330
2021 count
Owner
County
County Highway Agency

About this bridge

CR 20 over Branch of Yalobusha Ck is a concrete slab carrying CR 20 over Branch of Yalobusha Ck in Chickasaw 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 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 330 vehicles a day, roughly 8% of them trucks, projected to reach 495 by 2043. The structure is 57 ft (17.4 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesCR 20
CrossesBranch of Yalobusha Ck
LocationSec 22 T13S R 2E B
RouteCounty Highway 797
CountyChickasaw County
StateMississippi
Coordinates33.93667, -89.08444
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.
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 inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be 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 alignment8: Equal to present desirable criteria
Operating rating30.9 US tons
Inventory rating17.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic330 (2021)
Projected traffic495 by 2043
Trucks8%
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$416,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 20 over Branch of Yalobusha Ck built?

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

What condition is CR 20 over Branch of Yalobusha Ck 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 October 2024.

How much traffic does CR 20 over Branch of Yalobusha Ck carry?

About 330 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is CR 20 over Branch of Yalobusha Ck?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 29 ft wide.

Who owns CR 20 over Branch of Yalobusha Ck?

It is owned by the County Highway Agency.