US Bridges

SR 15 over Okannatie Creek

Good

Union County, Mississippi · 0.5 MI N Pontotoc Cl · Structure no. 31000150732876A

Built
2024
1 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
422 ft
5 main spans
Daily traffic
4,650
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 2024, so it is 1 years old, younger than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,650 vehicles a day, roughly 14% of them trucks, projected to reach 5,000 by 2043. The structure is 422 ft (128.7 m) long and 43 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

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.3 US tons
Inventory rating48 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length422 ft (128.7 m)
Longest span100 ft (30.5 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,650 (2023)
Projected traffic5,000 by 2043
Trucks14%
Lanes on structure2
Traffic directionOne-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 2024, making it 1 years old in 2025.

What condition is SR 15 over Okannatie Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does SR 15 over Okannatie Creek carry?

About 4,650 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 15 over Okannatie Creek?

The structure is 422 ft (128.7 m) long with a longest span of 100 ft (30.5 m) and a deck 43 ft wide.

Who owns SR 15 over Okannatie Creek?

It is owned by the State Highway Agency.