US Bridges

SR 489 over Relief (conehatta)

Good

Newton County, Mississippi · 13.9 MI N US 80 · Structure no. 310048905101390

Built
1989
36 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
122 ft
3 main spans
Daily traffic
830
2023 count
Owner
State
State Highway Agency

About this bridge

SR 489 over Relief (conehatta) is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 489 over Relief (conehatta) in Newton County, Mississippi. It was built in 1989, so it is 36 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 830 vehicles a day, roughly 11% of them trucks, projected to reach 830 by 2043. The structure is 122 ft (37.2 m) long and 33 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

CarriesSR 489
CrossesRelief (conehatta)
Location13.9 MI N US 80
RouteState Highway 489
Coordinates32.49577, -89.21447
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.4 US tons
Inventory rating39.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length122 ft (37.2 m)
Longest span40 ft (12.2 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic830 (2023)
Projected traffic830 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed26.7 mi (43 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 489 over Relief (conehatta) built?

It was built in 1989, making it 36 years old in 2025.

What condition is SR 489 over Relief (conehatta) 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 2025.

How much traffic does SR 489 over Relief (conehatta) carry?

About 830 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 489 over Relief (conehatta)?

The structure is 122 ft (37.2 m) long with a longest span of 40 ft (12.2 m) and a deck 33 ft wide.

Who owns SR 489 over Relief (conehatta)?

It is owned by the State Highway Agency.