US Bridges

County Road 478 over Hell Creek Canal

Fair

Union County, Mississippi · Sec 24 T 6S R 2E · Structure no. SA7300000000163

Built
2012
13 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
160 ft
3 main spans
Daily traffic
550
2024 count
Owner
County
County Highway Agency

About this bridge

County Road 478 over Hell Creek Canal is a prestressed concrete stringer/multi-beam or girder carrying County Road 478 over Hell Creek Canal in Union County, Mississippi. It was built in 2012, so it is 13 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 550 vehicles a day, roughly 8% of them trucks, projected to reach 825 by 2044. The structure is 160 ft (48.8 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCounty Road 478
CrossesHell Creek Canal
LocationSec 24 T 6S R 2E
RouteCounty Highway 142
CountyUnion County
StateMississippi
Coordinates34.54153, -89.04826
Functional classRural Minor 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 protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
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 rating52.9 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length160 ft (48.8 m)
Longest span80 ft (24.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2024)
Projected traffic825 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 478 over Hell Creek Canal built?

It was built in 2012, making it 13 years old in 2025.

What condition is County Road 478 over Hell Creek Canal 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 478 over Hell Creek Canal carry?

About 550 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is County Road 478 over Hell Creek Canal?

The structure is 160 ft (48.8 m) long with a longest span of 80 ft (24.4 m) and a deck 31 ft wide.

Who owns County Road 478 over Hell Creek Canal?

It is owned by the County Highway Agency.