US Bridges

SR 15 over Blytha Creek

Good

Choctaw County, Mississippi · 5.3 MI S Webster Cl · Structure no. 310001501021880

Built
1972
53 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
1,700
2023 count
Owner
State
State Highway Agency

About this bridge

SR 15 over Blytha Creek is a concrete culvert carrying SR 15 over Blytha Creek in Choctaw County, Mississippi. It was built in 1972, so it is 53 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,700 vehicles a day, roughly 21% of them trucks, projected to reach 1,700 by 2043. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 11.2 mi (18 km).

CarriesSR 15
CrossesBlytha Creek
Location5.3 MI S Webster Cl
RouteState Highway 15
Coordinates33.45827, -89.14528
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.6 US tons
Inventory rating44 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2023)
Projected traffic1,700 by 2043
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 Blytha Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is SR 15 over Blytha 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 January 2024.

How much traffic does SR 15 over Blytha Creek carry?

About 1,700 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is SR 15 over Blytha Creek?

The structure is 34 ft (10.4 m) long with a longest span of 16 ft (4.9 m).

Who owns SR 15 over Blytha Creek?

It is owned by the State Highway Agency.