US Bridges

County Road 47 over Okannatie Creek

Fair

Union County, Mississippi · Sec 16 T 8S R 2E B · Structure no. SA7300000000125

Built
2007
18 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
140 ft
3 main spans
Daily traffic
1,000
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 47 over Okannatie Creek is a prestressed concrete stringer/multi-beam or girder carrying County Road 47 over Okannatie Creek in Union County, Mississippi. It was built in 2007, so it is 18 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 1,000 vehicles a day, roughly 8% of them trucks, projected to reach 1,500 by 2042. The structure is 140 ft (42.7 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 47
CrossesOkannatie Creek
LocationSec 16 T 8S R 2E B
RouteCounty Highway 922
CountyUnion County
StateMississippi
Coordinates34.3885, -89.09478
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.8 US tons
Inventory rating42.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span60 ft (18.3 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2022)
Projected traffic1,500 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 47 over Okannatie Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is County Road 47 over Okannatie Creek 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 2023.

How much traffic does County Road 47 over Okannatie Creek carry?

About 1,000 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is County Road 47 over Okannatie Creek?

The structure is 140 ft (42.7 m) long with a longest span of 60 ft (18.3 m) and a deck 31 ft wide.

Who owns County Road 47 over Okannatie Creek?

It is owned by the County Highway Agency.