US Bridges

Richburg Road over Boggy Branch

Good

Lamar County, Mississippi · Sec 34 T 4N R14W B · Structure no. SA3700000000086

Built
1985
40 years old
Condition
Good
inspected December 2023
Type
Channel Beam
Concrete
Length
57 ft
3 main spans
Daily traffic
3,700
2024 count
Owner
County
County Highway Agency

About this bridge

Richburg Road over Boggy Branch is a concrete channel beam carrying Richburg Road over Boggy Branch in Lamar County, Mississippi. It was built in 1985, so it is 40 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 3,700 vehicles a day, roughly 8% of them trucks, projected to reach 4,160 by 2046. The structure is 57 ft (17.4 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRichburg Road
CrossesBoggy Branch
LocationSec 34 T 4N R14W B
RouteCounty Highway 51
Coordinates31.27261, -89.39776
Functional classRural Minor Collector

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 protection7 GoodSome minor problems.
Last inspectionDecember 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66.2 US tons
Inventory rating39.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,700 (2024)
Projected traffic4,160 by 2046
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Richburg Road over Boggy Branch built?

It was built in 1985, making it 40 years old in 2025.

What condition is Richburg Road over Boggy 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 December 2023.

How much traffic does Richburg Road over Boggy Branch carry?

About 3,700 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Richburg Road over Boggy Branch?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns Richburg Road over Boggy Branch?

It is owned by the County Highway Agency.