US Bridges

Cumbest Bluff RD over Branch

Good

Jackson County, Mississippi · Sec 27 T 5S R 6W · Structure no. SA3000000000163

Built
2003
22 years old
Condition
Good
inspected November 2023
Type
Channel Beam
Concrete
Length
31 ft
1 main span
Daily traffic
100
2023 count
Owner
County
County Highway Agency

About this bridge

Cumbest Bluff RD over Branch is a concrete channel beam carrying Cumbest Bluff RD over Branch in Jackson County, Mississippi. It was built in 2003, so it is 22 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 200 by 2043. The structure is 31 ft (9.4 m) long and 28 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCumbest Bluff RD
CrossesBranch
LocationSec 27 T 5S R 6W
RouteCounty Highway 1
Coordinates30.58543, -88.56822
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.3 US tons
Inventory rating47.5 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span31 ft (9.4 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic200 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Cumbest Bluff RD over Branch built?

It was built in 2003, making it 22 years old in 2025.

What condition is Cumbest Bluff RD over Branch 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 November 2023.

How much traffic does Cumbest Bluff RD over Branch carry?

About 100 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Cumbest Bluff RD over Branch?

The structure is 31 ft (9.4 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.

Who owns Cumbest Bluff RD over Branch?

It is owned by the County Highway Agency.