US Bridges

US 49 over Richland Creek

Fair

Rankin County, Mississippi · 1.3 MI S I 20 · Structure no. 21000490611536B

Built
1965
60 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
340 ft
3 main spans
Daily traffic
23,000
2023 count
Owner
State
State Highway Agency

About this bridge

US 49 over Richland Creek is a prestressed concrete stringer/multi-beam or girder carrying US 49 over Richland Creek in Rankin County, Mississippi. It was built in 1965, so it is 60 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 23,000 vehicles a day, roughly 12% of them trucks, projected to reach 26,000 by 2043. The structure is 340 ft (103.6 m) long and 72 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 49
CrossesRichland Creek
Location1.3 MI S I 20
RouteU.S. Route 49
Coordinates32.24588, -90.16379
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.7 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3 (+4 approach)
Design loadHS 20
Structure length340 ft (103.6 m)
Longest span60 ft (18.3 m)
Deck width72 ft (21.9 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,000 (2023)
Projected traffic26,000 by 2043
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$411 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 49 over Richland Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is US 49 over Richland 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 November 2024.

How much traffic does US 49 over Richland Creek carry?

About 23,000 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is US 49 over Richland Creek?

The structure is 340 ft (103.6 m) long with a longest span of 60 ft (18.3 m) and a deck 72 ft wide.

Who owns US 49 over Richland Creek?

It is owned by the State Highway Agency.