US Bridges

SR 15 over Okannatie Creek

FairClosed to traffic

Union County, Mississippi · 0.5 MI N Pontotoc Cl · Structure no. 310001507328760

Built
1970
55 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
280 ft
7 main spans
Daily traffic
9,300
2023 count
Owner
State
State Highway Agency

About this bridge

SR 15 over Okannatie Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 15 over Okannatie Creek in Union County, Mississippi. It was built in 1970, so it is 55 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. Its operating status is: closed to all traffic.

It carries about 9,300 vehicles a day, roughly 14% of them trucks, projected to reach 10,000 by 2043. The structure is 280 ft (85.3 m) long and 42 ft wide. If it were closed, the detour would be 29.2 mi (47 km).

CarriesSR 15
CrossesOkannatie Creek
Location0.5 MI N Pontotoc Cl
RouteState Highway 15
Coordinates34.38687, -89.02021
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating39.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length280 ft (85.3 m)
Longest span40 ft (12.2 m)
Deck width42 ft (12.7 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,300 (2023)
Projected traffic10,000 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.2 mi (47 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 15 over Okannatie Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is SR 15 over Okannatie 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 November 2023.

How much traffic does SR 15 over Okannatie Creek carry?

About 9,300 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 15 over Okannatie Creek?

The structure is 280 ft (85.3 m) long with a longest span of 40 ft (12.2 m) and a deck 42 ft wide.

Who owns SR 15 over Okannatie Creek?

It is owned by the State Highway Agency.