US Bridges

SR 6 over Cowpenna Creek

FairPosted for load

Monroe County, Mississippi · 5.2 MI W SR 371 · Structure no. 310000604814420

Built
1956
69 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
90 ft
3 main spans
Daily traffic
3,900
2023 count
Owner
State
State Highway Agency

About this bridge

SR 6 over Cowpenna Creek is a steel stringer/multi-beam or girder carrying SR 6 over Cowpenna Creek in Monroe County, Mississippi. It was built in 1956, so it is 69 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 3,900 vehicles a day, roughly 14% of them trucks, projected to reach 3,900 by 2043. The structure is 90 ft (27.4 m) long and 28 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesSR 6
CrossesCowpenna Creek
Location5.2 MI W SR 371
RouteState Highway 6
Coordinates34.06972, -88.58806
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.8 US tons
Inventory rating26.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,900 (2023)
Projected traffic3,900 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$939 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 6 over Cowpenna Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is SR 6 over Cowpenna 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 May 2024.

How much traffic does SR 6 over Cowpenna Creek carry?

About 3,900 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 6 over Cowpenna Creek?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns SR 6 over Cowpenna Creek?

It is owned by the State Highway Agency.