US Bridges

SR 598 over Okatoma Creek

Fair

Covington County, Mississippi · 2.6 MI E US 49 · Structure no. 310059801600260

Built
1964
61 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
230 ft
1 main span
Daily traffic
510
2023 count
Owner
State
State Highway Agency

About this bridge

SR 598 over Okatoma Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 598 over Okatoma Creek in Covington County, Mississippi. It was built in 1964, so it is 61 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 510 vehicles a day, roughly 15% of them trucks, projected to reach 510 by 2043. The structure is 230 ft (70.1 m) long and 31 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

Location

Open in Google Maps
CarriesSR 598
CrossesOkatoma Creek
Location2.6 MI E US 49
RouteState Highway 598
CountyCovington County
StateMississippi
Coordinates31.48939, -89.43361
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.9 US tons
Inventory rating33.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+4 approach)
Design loadHS 15
Structure length230 ft (70.1 m)
Longest span70 ft (21.3 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic510 (2023)
Projected traffic510 by 2043
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$687 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 598 over Okatoma Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is SR 598 over Okatoma 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 June 2023.

How much traffic does SR 598 over Okatoma Creek carry?

About 510 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is SR 598 over Okatoma Creek?

The structure is 230 ft (70.1 m) long with a longest span of 70 ft (21.3 m) and a deck 31 ft wide.

Who owns SR 598 over Okatoma Creek?

It is owned by the State Highway Agency.