US Bridges

County Road 46 over Tallahatchie Relief

Good

Union County, Mississippi · Sec 26 T 7S R 1E B · Structure no. SA730000000A072

Built
2016
9 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
320 ft
6 main spans
Daily traffic
1,100
2024 count
Owner
County
County Highway Agency

About this bridge

County Road 46 over Tallahatchie Relief is a prestressed concrete stringer/multi-beam or girder carrying County Road 46 over Tallahatchie Relief in Union County, Mississippi. It was built in 2016, so it is 9 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 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 1,100 vehicles a day, roughly 8% of them trucks, projected to reach 1,650 by 2044. The structure is 320 ft (97.5 m) long and 31 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

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CarriesCounty Road 46
CrossesTallahatchie Relief
LocationSec 26 T 7S R 1E B
RouteCounty Highway 923
CountyUnion County
StateMississippi
Coordinates34.44686, -89.16746
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Last inspectionNovember 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating86.1 US tons
Inventory rating47.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length320 ft (97.5 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2024)
Projected traffic1,650 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 46 over Tallahatchie Relief built?

It was built in 2016, making it 9 years old in 2025.

What condition is County Road 46 over Tallahatchie Relief 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 November 2024.

How much traffic does County Road 46 over Tallahatchie Relief carry?

About 1,100 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is County Road 46 over Tallahatchie Relief?

The structure is 320 ft (97.5 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns County Road 46 over Tallahatchie Relief?

It is owned by the County Highway Agency.