US Bridges

DR Brock RD over Brothers Branch

Good

Lauderdale County, Mississippi · Sec 36 T 6N R15E B · Structure no. SA3800000000105

Built
1979
46 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
160
2024 count
Owner
County
County Highway Agency

About this bridge

DR Brock RD over Brothers Branch is a concrete culvert carrying DR Brock RD over Brothers Branch in Lauderdale County, Mississippi. It was built in 1979, so it is 46 years old, older 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 160 vehicles a day, roughly 8% of them trucks, projected to reach 225 by 2044. The structure is 22 ft (6.7 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesDR Brock RD
CrossesBrothers Branch
LocationSec 36 T 6N R15E B
RouteCounty Highway 8
Coordinates32.31262, -88.72631
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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.2 US tons
Inventory rating44.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2024)
Projected traffic225 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$550,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was DR Brock RD over Brothers Branch built?

It was built in 1979, making it 46 years old in 2025.

What condition is DR Brock RD over Brothers 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 2024.

How much traffic does DR Brock RD over Brothers Branch carry?

About 160 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is DR Brock RD over Brothers Branch?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 36 ft wide.

Who owns DR Brock RD over Brothers Branch?

It is owned by the County Highway Agency.