US Bridges

SR 18 over Chickawillowsaw Creek

Fair

Jasper County, Mississippi · 0.3 MI W Clarke Cl · Structure no. 310001803115280

Built
1980
45 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
750
2023 count
Owner
State
State Highway Agency

About this bridge

SR 18 over Chickawillowsaw Creek is a concrete culvert carrying SR 18 over Chickawillowsaw Creek in Jasper County, Mississippi. It was built in 1980, so it is 45 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 750 vehicles a day, roughly 14% of them trucks, projected to reach 750 by 2043. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 37.9 mi (61 km).

CarriesSR 18
CrossesChickawillowsaw Creek
Location0.3 MI W Clarke Cl
RouteState Highway 18
Coordinates32.07543, -88.91443
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.5 US tons
Inventory rating43.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length31 ft (9.4 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2023)
Projected traffic750 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.9 mi (61 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 18 over Chickawillowsaw Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is SR 18 over Chickawillowsaw 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 March 2023.

How much traffic does SR 18 over Chickawillowsaw Creek carry?

About 750 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 18 over Chickawillowsaw Creek?

The structure is 31 ft (9.4 m) long with a longest span of 14 ft (4.3 m).

Who owns SR 18 over Chickawillowsaw Creek?

It is owned by the State Highway Agency.