US Bridges

SR 789 over Cobbs Creek

Good

Lowndes County, Mississippi · 4.2 MI W US 45 · Structure no. 310078904400400

Built
1996
29 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
33 ft
2 main spans
Daily traffic
630
2023 count
Owner
State
State Highway Agency

About this bridge

SR 789 over Cobbs Creek is a concrete culvert carrying SR 789 over Cobbs Creek in Lowndes County, Mississippi. It was built in 1996, so it is 29 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 630 vehicles a day, roughly 11% of them trucks, projected to reach 640 by 2043. The structure is 33 ft (10 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSR 789
CrossesCobbs Creek
Location4.2 MI W US 45
RouteState Highway 789
Coordinates33.4367, -88.55233
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.1 US tons
Inventory rating33.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length33 ft (10 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic630 (2023)
Projected traffic640 by 2043
Trucks11%
Lanes on structure20
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 789 over Cobbs Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is SR 789 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 July 2024.

How much traffic does SR 789 over Cobbs Creek carry?

About 630 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 789 over Cobbs Creek?

The structure is 33 ft (10 m) long with a longest span of 16 ft (4.9 m).

Who owns SR 789 over Cobbs Creek?

It is owned by the State Highway Agency.