US Bridges

I 20 over Valley St/Lynch Creek

Good

Hinds County, Mississippi · 3.2 MI E SR 18 · Structure no. 11000200250441A

Built
1969
56 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,286 ft
20 main spans
Daily traffic
38,500
2023 count
Owner
State
State Highway Agency

About this bridge

I 20 over Valley St/Lynch Creek is a steel continuous stringer/multi-beam or girder carrying I 20 over Valley St/Lynch Creek in Hinds County, Mississippi. It was built in 1969, so it is 56 years old, older 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 38,500 vehicles a day, roughly 18% of them trucks, projected to reach 40,000 by 2043. The structure is 1,286 ft (392 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 20
CrossesValley St/Lynch Creek
Location3.2 MI E SR 18
RouteInterstate 20
Coordinates32.28267, -90.21356
Functional classUrban Principal Arterial - Interstate

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating37.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans20
Design loadHS 20 + Mod
Structure length1,286 ft (392 m)
Longest span100 ft (30.5 m)
Deck width64 ft (19.4 m)
Roadway width60 ft (18.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,500 (2023)
Projected traffic40,000 by 2043
Trucks18%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 20 over Valley St/Lynch Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is I 20 over Valley St/Lynch Creek 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 2024.

How much traffic does I 20 over Valley St/Lynch Creek carry?

About 38,500 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is I 20 over Valley St/Lynch Creek?

The structure is 1,286 ft (392 m) long with a longest span of 100 ft (30.5 m) and a deck 64 ft wide.

Who owns I 20 over Valley St/Lynch Creek?

It is owned by the State Highway Agency.