US Bridges

SR 9 over Middle Bywy Creek

Good

Choctaw County, Mississippi · 7.2 MI N SR 12 · Structure no. 310000901000720

Built
1955
70 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
38 ft
2 main spans
Daily traffic
1,700
2023 count
Owner
State
State Highway Agency

About this bridge

SR 9 over Middle Bywy Creek is a concrete culvert carrying SR 9 over Middle Bywy Creek in Choctaw County, Mississippi. It was built in 1955, so it is 70 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 13% of them trucks, projected to reach 1,700 by 2043. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 11.2 mi (18 km).

CarriesSR 9
CrossesMiddle Bywy Creek
Location7.2 MI N SR 12
RouteState Highway 9
Coordinates33.40957, -89.23023
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating27.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length38 ft (11.6 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
Trucks13%
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 9 over Middle Bywy Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is SR 9 over Middle Bywy 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 February 2024.

How much traffic does SR 9 over Middle Bywy Creek carry?

About 1,700 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is SR 9 over Middle Bywy Creek?

The structure is 38 ft (11.6 m) long with a longest span of 16 ft (4.9 m).

Who owns SR 9 over Middle Bywy Creek?

It is owned by the State Highway Agency.