US Bridges

Dyess Bridge RD over Arm of Waynesboro Lake

Fair

Wayne County, Mississippi · Sec 4 T 8N R 6W B · Structure no. SA7700000000077

Built
1972
53 years old
Condition
Fair
inspected September 2024
Type
Channel Beam
Concrete
Length
57 ft
300 main spans
Daily traffic
840
2024 count
Owner
County
County Highway Agency

About this bridge

Dyess Bridge RD over Arm of Waynesboro Lake is a concrete channel beam carrying Dyess Bridge RD over Arm of Waynesboro Lake in Wayne County, Mississippi. It was built in 1972, so it is 53 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 840 vehicles a day, roughly 8% of them trucks, projected to reach 1,260 by 2044. The structure is 57 ft (17.4 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesDyess Bridge RD
CrossesArm of Waynesboro Lake
LocationSec 4 T 8N R 6W B
RouteCounty Highway 236
Coordinates31.68326, -88.5996
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.4 US tons
Inventory rating27.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans300
Design loadH 15
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic840 (2024)
Projected traffic1,260 by 2044
Trucks8%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$400,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Dyess Bridge RD over Arm of Waynesboro Lake built?

It was built in 1972, making it 53 years old in 2025.

What condition is Dyess Bridge RD over Arm of Waynesboro Lake in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does Dyess Bridge RD over Arm of Waynesboro Lake carry?

About 840 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Dyess Bridge RD over Arm of Waynesboro Lake?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns Dyess Bridge RD over Arm of Waynesboro Lake?

It is owned by the County Highway Agency.