US Bridges

Lake Mary Road over Buffalo River

Good

Wilkinson County, Mississippi · Sec 10 T 2N R 4W · Structure no. SA7900000000050

Built
2011
14 years old
Condition
Good
inspected July 2024
Type
Channel Beam
Concrete
Length
186 ft
6 main spans
Daily traffic
130
2024 count
Owner
County
County Highway Agency

About this bridge

Lake Mary Road over Buffalo River is a concrete channel beam carrying Lake Mary Road over Buffalo River in Wilkinson County, Mississippi. It was built in 2011, so it is 14 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 130 vehicles a day, roughly 8% of them trucks, projected to reach 150 by 2046. The structure is 186 ft (56.7 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesLake Mary Road
CrossesBuffalo River
LocationSec 10 T 2N R 4W
RouteCounty Highway 3
Coordinates31.16584, -91.52747
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating51 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadHL 93
Structure length186 ft (56.7 m)
Longest span31 ft (9.4 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2024)
Projected traffic150 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 relocation of road
Estimated improvement cost$600,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Lake Mary Road over Buffalo River built?

It was built in 2011, making it 14 years old in 2025.

What condition is Lake Mary Road over Buffalo River 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 Lake Mary Road over Buffalo River carry?

About 130 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Lake Mary Road over Buffalo River?

The structure is 186 ft (56.7 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.

Who owns Lake Mary Road over Buffalo River?

It is owned by the County Highway Agency.