US Bridges

County Road 46 over Tallahtchie River

Fair

Union County, Mississippi · Sec 26 T 7S R 1E B · Structure no. SA730000000A071

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

About this bridge

County Road 46 over Tallahtchie River is a prestressed concrete stringer/multi-beam or girder carrying County Road 46 over Tallahtchie River 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 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 1,100 vehicles a day, roughly 8% of them trucks, projected to reach 1,650 by 2044. The structure is 310 ft (94.5 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
CrossesTallahtchie River
LocationSec 26 T 7S R 1E B
RouteCounty Highway 923
CountyUnion County
StateMississippi
Coordinates34.4443, -89.16871
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating70.8 US tons
Inventory rating26.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+4 approach)
Design loadHS 20
Structure length310 ft (94.5 m)
Longest span110 ft (33.5 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 Tallahtchie River built?

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

What condition is County Road 46 over Tallahtchie River 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 November 2024.

How much traffic does County Road 46 over Tallahtchie River carry?

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

How long is County Road 46 over Tallahtchie River?

The structure is 310 ft (94.5 m) long with a longest span of 110 ft (33.5 m) and a deck 31 ft wide.

Who owns County Road 46 over Tallahtchie River?

It is owned by the County Highway Agency.