US Bridges

SR 492 over Sipsey Relief

Fair

Newton County, Mississippi · 0.6 MI E Scott Cl · Structure no. 310049205101100

Built
1989
36 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
132 ft
1 main span
Daily traffic
2,100
2023 count
Owner
State
State Highway Agency

About this bridge

SR 492 over Sipsey Relief is a prestressed concrete stringer/multi-beam or girder carrying SR 492 over Sipsey Relief 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,100 vehicles a day, roughly 11% of them trucks, projected to reach 2,100 by 2043. The structure is 132 ft (40.2 m) long and 39 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

CarriesSR 492
CrossesSipsey Relief
Location0.6 MI E Scott Cl
RouteState Highway 492
Coordinates32.55839, -89.31508
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating33 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length132 ft (40.2 m)
Longest span50 ft (15.2 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2023)
Projected traffic2,100 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed31.7 mi (51 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 492 over Sipsey Relief built?

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

What condition is SR 492 over Sipsey Relief in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2025.

How much traffic does SR 492 over Sipsey Relief carry?

About 2,100 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 492 over Sipsey Relief?

The structure is 132 ft (40.2 m) long with a longest span of 50 ft (15.2 m) and a deck 39 ft wide.

Who owns SR 492 over Sipsey Relief?

It is owned by the State Highway Agency.