US Bridges

Ponderosa Road over I 20

Good

Newton County, Mississippi · 1.0 MI E Scott Cl · Structure no. 410002005109990

Built
1966
59 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
262 ft
4 main spans
Daily traffic
380
2023 count
Owner
State
State Highway Agency

About this bridge

Ponderosa Road over I 20 is a prestressed concrete stringer/multi-beam or girder carrying Ponderosa Road over I 20 in Newton County, Mississippi. It was built in 1966, so it is 59 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 380 vehicles a day, roughly 8% of them trucks, projected to reach 380 by 2043. The structure is 262 ft (79.9 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPonderosa Road
CrossesI 20
Location1.0 MI E Scott Cl
RouteCounty Highway 0
Coordinates32.3254, -89.30557
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating74.8 US tons
Inventory rating49.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length262 ft (79.9 m)
Longest span70 ft (21.3 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic380 (2023)
Projected traffic380 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ponderosa Road over I 20 built?

It was built in 1966, making it 59 years old in 2025.

What condition is Ponderosa Road 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 February 2023.

How much traffic does Ponderosa Road over I 20 carry?

About 380 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Ponderosa Road over I 20?

The structure is 262 ft (79.9 m) long with a longest span of 70 ft (21.3 m) and a deck 29 ft wide.

Who owns Ponderosa Road over I 20?

It is owned by the State Highway Agency.