US Bridges

County Road 789 over Nanih Waiya Relief

Fair

Neshoba County, Mississippi · Sec 2 T12N R13E B · Structure no. SA5000000000114

Built
1994
31 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
6 main spans
Daily traffic
280
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 789 over Nanih Waiya Relief is a prestressed concrete stringer/multi-beam or girder carrying County Road 789 over Nanih Waiya Relief in Neshoba County, Mississippi. It was built in 1994, so it is 31 years old, younger 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 280 vehicles a day, roughly 8% of them trucks, projected to reach 350 by 2043. The structure is 240 ft (73.2 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesCounty Road 789
CrossesNanih Waiya Relief
LocationSec 2 T12N R13E B
RouteCounty Highway 680
CountyNeshoba County
StateMississippi
Coordinates32.91354, -88.94769
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 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 rating76.1 US tons
Inventory rating42.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2023)
Projected traffic350 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
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 County Road 789 over Nanih Waiya Relief built?

It was built in 1994, making it 31 years old in 2025.

What condition is County Road 789 over Nanih Waiya Relief 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 May 2024.

How much traffic does County Road 789 over Nanih Waiya Relief carry?

About 280 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is County Road 789 over Nanih Waiya Relief?

The structure is 240 ft (73.2 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns County Road 789 over Nanih Waiya Relief?

It is owned by the County Highway Agency.