US Bridges

US 49 N to I 20 W over I 20

Good

Rankin County, Mississippi · US 49 over I 20 · Structure no. 270004906115560

Built
2006
19 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,957 ft
3 main spans
Daily traffic
13,000
2023 count
Owner
State
State Highway Agency

About this bridge

US 49 N to I 20 W over I 20 is a steel continuous stringer/multi-beam or girder carrying US 49 N to I 20 W over I 20 in Rankin County, Mississippi. It was built in 2006, so it is 19 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 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 13,000 vehicles a day, roughly 7% of them trucks, projected to reach 13,000 by 2043. The structure is 1,957 ft (596.5 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 49 N to I 20 W
CrossesI 20
LocationUS 49 over I 20
RouteU.S. Route 49
Coordinates32.27054, -90.15736
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating67.1 US tons
Inventory rating37.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+12 approach)
Design loadHS 20
Structure length1,957 ft (596.5 m)
Longest span198 ft (60.4 m)
Deck width51 ft (15.5 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deck20 ft (6 m)

Traffic and service

Average daily traffic13,000 (2023)
Projected traffic13,000 by 2043
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 49 N to I 20 W over I 20 built?

It was built in 2006, making it 19 years old in 2025.

What condition is US 49 N to I 20 W over I 20 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 July 2023.

How much traffic does US 49 N to I 20 W over I 20 carry?

About 13,000 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is US 49 N to I 20 W over I 20?

The structure is 1,957 ft (596.5 m) long with a longest span of 198 ft (60.4 m) and a deck 51 ft wide.

Who owns US 49 N to I 20 W over I 20?

It is owned by the State Highway Agency.