US Bridges

Dillons Bridge RD over Relief to Bogue Chitto

Fair

Walthall County, Mississippi · Sec 28 T 1N R10E B · Structure no. SA7400000000006

Built
1982
43 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
260 ft
5 main spans
Daily traffic
410
2023 count
Owner
County
County Highway Agency

About this bridge

Dillons Bridge RD over Relief to Bogue Chitto is a prestressed concrete stringer/multi-beam or girder carrying Dillons Bridge RD over Relief to Bogue Chitto in Walthall County, Mississippi. It was built in 1982, so it is 43 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 6 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 410 vehicles a day, roughly 8% of them trucks, projected to reach 450 by 2045. The structure is 260 ft (79.2 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesDillons Bridge RD
CrossesRelief to Bogue Chitto
LocationSec 28 T 1N R10E B
RouteCounty Highway 84
Coordinates31.02389, -90.20672
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.8 US tons
Inventory rating27.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length260 ft (79.2 m)
Longest span80 ft (24.4 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic410 (2023)
Projected traffic450 by 2045
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Dillons Bridge RD over Relief to Bogue Chitto built?

It was built in 1982, making it 43 years old in 2025.

What condition is Dillons Bridge RD over Relief to Bogue Chitto 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 January 2023.

How much traffic does Dillons Bridge RD over Relief to Bogue Chitto carry?

About 410 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Dillons Bridge RD over Relief to Bogue Chitto?

The structure is 260 ft (79.2 m) long with a longest span of 80 ft (24.4 m) and a deck 29 ft wide.

Who owns Dillons Bridge RD over Relief to Bogue Chitto?

It is owned by the County Highway Agency.