US Bridges

SR 589 over Mixon Creek

Good

Lamar County, Mississippi · 4.5 MI N US 11 · Structure no. 310058903700690

Built
1956
69 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
2,300
2023 count
Owner
State
State Highway Agency

About this bridge

SR 589 over Mixon Creek is a concrete culvert carrying SR 589 over Mixon Creek in Lamar County, Mississippi. It was built in 1956, so it is 69 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 2,300 vehicles a day, roughly 11% of them trucks, projected to reach 2,300 by 2043. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 24.2 mi (39 km).

CarriesSR 589
CrossesMixon Creek
Location4.5 MI N US 11
RouteState Highway 589
Coordinates31.19343, -89.4384
Functional classRural Major Collector

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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.3 US tons
Inventory rating42.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length30 ft (9.1 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2023)
Projected traffic2,300 by 2043
Trucks11%
Lanes on structure20
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 589 over Mixon Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is SR 589 over Mixon 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 August 2024.

How much traffic does SR 589 over Mixon Creek carry?

About 2,300 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 589 over Mixon Creek?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.3 m).

Who owns SR 589 over Mixon Creek?

It is owned by the State Highway Agency.