US Bridges

County Road 46 over Tallahatchie Slough

Good

Union County, Mississippi · Sec 26 T 7S R 1E B · Structure no. SA730000000A069

Built
2021
4 years old
Condition
Good
inspected October 2023
Type
Channel Beam
Concrete
Length
220 ft
7 main spans
Daily traffic
1,100
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 46 over Tallahatchie Slough is a concrete channel beam carrying County Road 46 over Tallahatchie Slough in Union County, Mississippi. It was built in 2021, so it is 4 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 2042. The structure is 220 ft (67 m) long and 31 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesCounty Road 46
CrossesTallahatchie Slough
LocationSec 26 T 7S R 1E B
RouteCounty Highway 923
CountyUnion County
StateMississippi
Coordinates34.43897, -89.17378
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans7
Design loadHL 93
Structure length220 ft (67 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 traffic1,100 (2022)
Projected traffic1,650 by 2042
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 Slough built?

It was built in 2021, making it 4 years old in 2025.

What condition is County Road 46 over Tallahatchie Slough 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 2023.

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

About 1,100 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is County Road 46 over Tallahatchie Slough?

The structure is 220 ft (67 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 Slough?

It is owned by the County Highway Agency.