US Bridges

Dowling Road over Mccann Bayou

Good

Sharkey County, Mississippi · Sec 34 T13N R 5W · Structure no. SA630000000A036

Built
2011
14 years old
Condition
Good
inspected November 2024
Type
Channel Beam
Concrete
Length
100 ft
4 main spans
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

Dowling Road over Mccann Bayou is a concrete channel beam carrying Dowling Road over Mccann Bayou in Sharkey 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 5% of them trucks, projected to reach 70 by 2044. The structure is 100 ft (30.4 m) long and 31 ft wide. If it were closed, the detour would be 34.2 mi (55 km).

CarriesDowling Road
CrossesMccann Bayou
LocationSec 34 T13N R 5W
RouteCounty Highway 70
Coordinates32.92273, -90.70657
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHL 93
Structure length100 ft (30.4 m)
Longest span31 ft (9.4 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic70 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.2 mi (55 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$734,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Dowling Road over Mccann Bayou built?

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

What condition is Dowling Road over Mccann Bayou 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 Dowling Road over Mccann Bayou carry?

About 50 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Dowling Road over Mccann Bayou?

The structure is 100 ft (30.4 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.

Who owns Dowling Road over Mccann Bayou?

It is owned by the County Highway Agency.