US Bridges

SR 27 over Mallard Creek

Fair

Lawrence County, Mississippi · 0.5 MI S Copiah Cl · Structure no. 310002703905860

Built
1973
52 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
36 ft
2 main spans
Daily traffic
2,200
2023 count
Owner
State
State Highway Agency

About this bridge

SR 27 over Mallard Creek is a concrete culvert carrying SR 27 over Mallard Creek in Lawrence County, Mississippi. It was built in 1973, so it is 52 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 2,200 vehicles a day, roughly 14% of them trucks, projected to reach 2,200 by 2043. The structure is 36 ft (11 m) long. If it were closed, the detour would be 34.8 mi (56 km).

CarriesSR 27
CrossesMallard Creek
Location0.5 MI S Copiah Cl
RouteState Highway 27
Coordinates31.74075, -90.14707
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
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 rating48.7 US tons
Inventory rating29.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length36 ft (11 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 traffic2,200 (2023)
Projected traffic2,200 by 2043
Trucks14%
Lanes on structure20
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 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 27 over Mallard Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is SR 27 over Mallard 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 September 2024.

How much traffic does SR 27 over Mallard Creek carry?

About 2,200 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 27 over Mallard Creek?

The structure is 36 ft (11 m) long with a longest span of 14 ft (4.3 m).

Who owns SR 27 over Mallard Creek?

It is owned by the State Highway Agency.