US Bridges

SR 42 over Chickasawhay River

Fair

Greene County, Mississippi · 4.4 MI W SR 57 · Structure no. 310004202110790

Built
1968
57 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
421 ft
3 main spans
Daily traffic
540
2023 count
Owner
State
State Highway Agency

About this bridge

SR 42 over Chickasawhay River is a steel continuous stringer/multi-beam or girder carrying SR 42 over Chickasawhay River in Greene County, Mississippi. It was built in 1968, so it is 57 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 540 vehicles a day, roughly 18% of them trucks, projected to reach 540 by 2043. The structure is 421 ft (128.3 m) long and 33 ft wide. If it were closed, the detour would be 54.1 mi (87 km).

CarriesSR 42
CrossesChickasawhay River
Location4.4 MI W SR 57
RouteState Highway 42
Coordinates31.42294, -88.54205
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.5 US tons
Inventory rating36.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+3 approach)
Design loadHS 20
Structure length421 ft (128.3 m)
Longest span120 ft (36.6 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic540 (2023)
Projected traffic540 by 2043
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed54.1 mi (87 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 42 over Chickasawhay River built?

It was built in 1968, making it 57 years old in 2025.

What condition is SR 42 over Chickasawhay River 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 April 2024.

How much traffic does SR 42 over Chickasawhay River carry?

About 540 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is SR 42 over Chickasawhay River?

The structure is 421 ft (128.3 m) long with a longest span of 120 ft (36.6 m) and a deck 33 ft wide.

Who owns SR 42 over Chickasawhay River?

It is owned by the State Highway Agency.