US Bridges

State Blvd Ext over Okatibbee Creek

Fair

Lauderdale County, Mississippi · Sec 28 T 7N R15E B · Structure no. SA3800000000176

Built
1968
57 years old
Condition
Fair
inspected December 2023
Type
Channel Beam
Concrete
Length
209 ft
11 main spans
Daily traffic
1,080
2021 count
Owner
County
County Highway Agency

About this bridge

State Blvd Ext over Okatibbee Creek is a concrete channel beam carrying State Blvd Ext over Okatibbee Creek in Lauderdale 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 1,080 vehicles a day, roughly 8% of them trucks, projected to reach 1,620 by 2043. The structure is 209 ft (63.7 m) long and 28 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesState Blvd Ext
CrossesOkatibbee Creek
LocationSec 28 T 7N R15E B
RouteCounty Highway 509
Coordinates32.42119, -88.77166
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating38.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans11
Design loadH 15
Structure length209 ft (63.7 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,080 (2021)
Projected traffic1,620 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.3 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was State Blvd Ext over Okatibbee Creek built?

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

What condition is State Blvd Ext over Okatibbee 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 December 2023.

How much traffic does State Blvd Ext over Okatibbee Creek carry?

About 1,080 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is State Blvd Ext over Okatibbee Creek?

The structure is 209 ft (63.7 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns State Blvd Ext over Okatibbee Creek?

It is owned by the County Highway Agency.