US Bridges

South Riven Oaks over Drainage Ditch

Good

Humphreys County, Mississippi · Sec 29 T14N R 3W · Structure no. SA2700000000026

Built
1997
28 years old
Condition
Good
inspected October 2024
Type
Channel Beam
Concrete
Length
57 ft
3 main spans
Daily traffic
40
2018 count
Owner
County
County Highway Agency

About this bridge

South Riven Oaks over Drainage Ditch is a concrete channel beam carrying South Riven Oaks over Drainage Ditch in Humphreys County, Mississippi. It was built in 1997, so it is 28 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 40 vehicles a day, projected to reach 60 by 2044. The structure is 57 ft (17.4 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSouth Riven Oaks
CrossesDrainage Ditch
LocationSec 29 T14N R 3W
RouteCounty Highway 179
Coordinates33.03205, -90.53259
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 protection7 GoodSome minor problems.
Last inspectionOctober 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.3 US tons
Inventory rating59.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2018)
Projected traffic60 by 2044
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 South Riven Oaks over Drainage Ditch built?

It was built in 1997, making it 28 years old in 2025.

What condition is South Riven Oaks over Drainage 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 October 2024.

How much traffic does South Riven Oaks over Drainage Ditch carry?

About 40 vehicles per day (2018 count).

How long is South Riven Oaks over Drainage Ditch?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns South Riven Oaks over Drainage Ditch?

It is owned by the County Highway Agency.