US Bridges

Brock Road over Branch of Bogue Chitto

Good

Walthall County, Mississippi · Sec 20 T 1N R10E · Structure no. SA7400000000005

Built
1999
26 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Brock Road over Branch of Bogue Chitto is a prestressed concrete stringer/multi-beam or girder carrying Brock Road over Branch of Bogue Chitto in Walthall County, Mississippi. It was built in 1999, so it is 26 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 8% of them trucks, projected to reach 120 by 2047. The structure is 120 ft (36.6 m) long and 31 ft wide.

CarriesBrock Road
CrossesBranch of Bogue Chitto
LocationSec 20 T 1N R10E
RouteCounty Highway 77
Coordinates31.02985, -90.22524
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.2 US tons
Inventory rating48.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span31 ft (9.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2025)
Projected traffic120 by 2047
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Brock Road over Branch of Bogue Chitto built?

It was built in 1999, making it 26 years old in 2025.

What condition is Brock Road over Branch of Bogue Chitto 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 January 2025.

How much traffic does Brock Road over Branch of Bogue Chitto carry?

About 100 vehicles per day (2025 count), of which roughly 8% are trucks.

How long is Brock Road over Branch of Bogue Chitto?

The structure is 120 ft (36.6 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.

Who owns Brock Road over Branch of Bogue Chitto?

It is owned by the County Highway Agency.