US Bridges

Mcdonald Road over Trib of Little Canal

Good

Scott County, Mississippi · Sec 24 T 7N R 9E B · Structure no. SA6200000000146

Built
1997
28 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
200 ft
5 main spans
Daily traffic
60
2017 count
Owner
County
County Highway Agency

About this bridge

Mcdonald Road over Trib of Little Canal is a prestressed concrete stringer/multi-beam or girder carrying Mcdonald Road over Trib of Little Canal in Scott County, Mississippi. It was built in 1997, so it is 28 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 60 vehicles a day, projected to reach 100 by 2044. The structure is 200 ft (61 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMcdonald Road
CrossesTrib of Little Canal
LocationSec 24 T 7N R 9E B
RouteCounty Highway 490
Coordinates32.43889, -89.32303
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.1 US tons
Inventory rating42.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length200 ft (61 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2017)
Projected traffic100 by 2044
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$630,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mcdonald Road over Trib of Little Canal built?

It was built in 1997, making it 28 years old in 2025.

What condition is Mcdonald Road over Trib of Little Canal 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 May 2024.

How much traffic does Mcdonald Road over Trib of Little Canal carry?

About 60 vehicles per day (2017 count).

How long is Mcdonald Road over Trib of Little Canal?

The structure is 200 ft (61 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns Mcdonald Road over Trib of Little Canal?

It is owned by the County Highway Agency.