US Bridges

CO RD 8 over Relief Ditch

Good

Webster County, Mississippi · Sec 25 T21N R 8E B · Structure no. SA7800000000097

Built
1980
45 years old
Condition
Good
inspected April 2024
Type
Channel Beam
Concrete
Length
57 ft
3 main spans
Daily traffic
100
2014 count
Owner
County
County Highway Agency

About this bridge

CO RD 8 over Relief Ditch is a concrete channel beam carrying CO RD 8 over Relief Ditch in Webster County, Mississippi. It was built in 1980, so it is 45 years old, older 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 100 vehicles a day, projected to reach 150 by 2034. The structure is 57 ft (17.4 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCO RD 8
CrossesRelief Ditch
LocationSec 25 T21N R 8E B
RouteCounty Highway 18
Coordinates33.65611, -89.41425
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating38.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2014)
Projected traffic150 by 2034
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$156,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CO RD 8 over Relief Ditch built?

It was built in 1980, making it 45 years old in 2025.

What condition is CO RD 8 over Relief Ditch 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 April 2024.

How much traffic does CO RD 8 over Relief Ditch carry?

About 100 vehicles per day (2014 count).

How long is CO RD 8 over Relief Ditch?

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 CO RD 8 over Relief Ditch?

It is owned by the County Highway Agency.