US Bridges

SR 13 over Rials Creek

Fair

Simpson County, Mississippi · 3.1 MI S SR 43 · Structure no. 310001306409520

Built
1939
86 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
225 ft
9 main spans
Daily traffic
2,400
2023 count
Owner
State
State Highway Agency

About this bridge

SR 13 over Rials Creek is a steel stringer/multi-beam or girder carrying SR 13 over Rials Creek in Simpson County, Mississippi. It was built in 1939, so it is 86 years old, older 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 2,400 vehicles a day, roughly 14% of them trucks, projected to reach 2,400 by 2043. The structure is 225 ft (68.6 m) long and 25 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

Location

Open in Google Maps
CarriesSR 13
CrossesRials Creek
Location3.1 MI S SR 43
RouteState Highway 13
CountySimpson County
StateMississippi
Coordinates31.91209, -89.88846
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.7 US tons
Inventory rating29.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans9
Design loadH 15
Structure length225 ft (68.6 m)
Longest span25 ft (7.6 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2023)
Projected traffic2,400 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 13 over Rials Creek built?

It was built in 1939, making it 86 years old in 2025.

What condition is SR 13 over Rials Creek 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 April 2023.

How much traffic does SR 13 over Rials Creek carry?

About 2,400 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 13 over Rials Creek?

The structure is 225 ft (68.6 m) long with a longest span of 25 ft (7.6 m) and a deck 25 ft wide.

Who owns SR 13 over Rials Creek?

It is owned by the State Highway Agency.