US Bridges

Sixteenth Sect. RD over HWY 12 Drainage Ditch

Good

Humphreys County, Mississippi · Sec 3 T15N R 4W B · Structure no. SA2700000000059

Built
1981
44 years old
Condition
Good
inspected October 2024
Type
Channel Beam
Concrete
Length
57 ft
3 main spans
Daily traffic
120
2018 count
Owner
County
County Highway Agency

About this bridge

Sixteenth Sect. RD over HWY 12 Drainage Ditch is a concrete channel beam carrying Sixteenth Sect. RD over HWY 12 Drainage Ditch in Humphreys County, Mississippi. It was built in 1981, so it is 44 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 120 vehicles a day, projected to reach 180 by 2044. The structure is 57 ft (17.4 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesSixteenth Sect. RD
CrossesHWY 12 Drainage Ditch
LocationSec 3 T15N R 4W B
RouteCounty Highway 63
CountyHumphreys County
StateMississippi
Coordinates33.18299, -90.6065
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.2 US tons
Inventory rating39.7 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 width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2018)
Projected traffic180 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sixteenth Sect. RD over HWY 12 Drainage Ditch built?

It was built in 1981, making it 44 years old in 2025.

What condition is Sixteenth Sect. RD over HWY 12 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 Sixteenth Sect. RD over HWY 12 Drainage Ditch carry?

About 120 vehicles per day (2018 count).

How long is Sixteenth Sect. RD over HWY 12 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 Sixteenth Sect. RD over HWY 12 Drainage Ditch?

It is owned by the County Highway Agency.