US Bridges

Blanton Road over Coon Bayou

Good

Sharkey County, Mississippi · Sec 34 T11N R 7W B · Structure no. SA6300000000012

Built
2001
24 years old
Condition
Good
inspected September 2023
Type
Channel Beam
Concrete
Length
154 ft
5 main spans
Daily traffic
20
2022 count
Owner
County
County Highway Agency

About this bridge

Blanton Road over Coon Bayou is a concrete channel beam carrying Blanton Road over Coon Bayou in Sharkey County, Mississippi. It was built in 2001, so it is 24 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 20 vehicles a day, roughly 8% of them trucks, projected to reach 28 by 2042. The structure is 154 ft (47 m) long and 33 ft wide. If it were closed, the detour would be 13.7 mi (22 km).

CarriesBlanton Road
CrossesCoon Bayou
LocationSec 34 T11N R 7W B
RouteCounty Highway 138
Coordinates32.74908, -90.90914
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating39.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length154 ft (47 m)
Longest span31 ft (9.4 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2022)
Projected traffic28 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13.7 mi (22 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$1.3 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Blanton Road over Coon Bayou built?

It was built in 2001, making it 24 years old in 2025.

What condition is Blanton Road over Coon 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 September 2023.

How much traffic does Blanton Road over Coon Bayou carry?

About 20 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Blanton Road over Coon Bayou?

The structure is 154 ft (47 m) long with a longest span of 31 ft (9.4 m) and a deck 33 ft wide.

Who owns Blanton Road over Coon Bayou?

It is owned by the County Highway Agency.