US Bridges

Robinson Road over Cobbs Creek

Good

Leake County, Mississippi · Sec 5 T11N R 8E · Structure no. SA4000000000061

Built
2005
20 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
160 ft
3 main spans
Daily traffic
90
2024 count
Owner
County
County Highway Agency

About this bridge

Robinson Road over Cobbs Creek is a prestressed concrete stringer/multi-beam or girder carrying Robinson Road over Cobbs Creek in Leake County, Mississippi. It was built in 2005, so it is 20 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 90 vehicles a day, roughly 8% of them trucks, projected to reach 135 by 2044. The structure is 160 ft (48.8 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesRobinson Road
CrossesCobbs Creek
LocationSec 5 T11N R 8E
RouteCounty Highway 287
Coordinates32.83778, -89.50528
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.1 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span80 ft (24.4 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2024)
Projected traffic135 by 2044
Trucks8%
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$1.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Robinson Road over Cobbs Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Robinson Road over Cobbs 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 February 2024.

How much traffic does Robinson Road over Cobbs Creek carry?

About 90 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Robinson Road over Cobbs Creek?

The structure is 160 ft (48.8 m) long with a longest span of 80 ft (24.4 m) and a deck 29 ft wide.

Who owns Robinson Road over Cobbs Creek?

It is owned by the County Highway Agency.