US Bridges

Beaver Dam RD over Mchenry Branch

Good

Stone County, Mississippi · Sec 7 T 4S R11W · Structure no. SA660000000A071

Built
2019
6 years old
Condition
Good
inspected September 2023
Type
Channel Beam
Concrete
Length
57 ft
3 main spans
Daily traffic
480
2023 count
Owner
County
County Highway Agency

About this bridge

Beaver Dam RD over Mchenry Branch is a concrete channel beam carrying Beaver Dam RD over Mchenry Branch in Stone County, Mississippi. It was built in 2019, so it is 6 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 480 vehicles a day, roughly 10% of them trucks, projected to reach 720 by 2043. The structure is 57 ft (17.4 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesBeaver Dam RD
CrossesMchenry Branch
LocationSec 7 T 4S R11W
RouteCounty Highway 47
Coordinates30.71252, -89.12998
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 inspectionSeptember 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.8 US tons
Inventory rating43.5 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic480 (2023)
Projected traffic720 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Beaver Dam RD over Mchenry Branch built?

It was built in 2019, making it 6 years old in 2025.

What condition is Beaver Dam RD over Mchenry 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 September 2023.

How much traffic does Beaver Dam RD over Mchenry Branch carry?

About 480 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Beaver Dam RD over Mchenry Branch?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns Beaver Dam RD over Mchenry Branch?

It is owned by the County Highway Agency.