US Bridges

Dykes Road over S Fork Big Mill Creek

Good

Jones County, Mississippi · Sec 10 T 8N R13W · Structure no. SA3400000000237

Built
2011
14 years old
Condition
Good
inspected December 2023
Type
Channel Beam
Concrete
Length
69 ft
3 main spans
Daily traffic
120
2023 count
Owner
County
County Highway Agency

About this bridge

Dykes Road over S Fork Big Mill Creek is a concrete channel beam carrying Dykes Road over S Fork Big Mill Creek in Jones County, Mississippi. It was built in 2011, so it is 14 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 120 vehicles a day, roughly 8% of them trucks, projected to reach 180 by 2043. The structure is 69 ft (21 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesDykes Road
CrossesS Fork Big Mill Creek
LocationSec 10 T 8N R13W
RouteCounty Highway 310
Coordinates31.67903, -89.28833
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than 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 spans3
Design loadHL 93
Structure length69 ft (21 m)
Longest span31 ft (9.4 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2023)
Projected traffic180 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Dykes Road over S Fork Big Mill Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is Dykes Road over S Fork Big Mill Creek 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 December 2023.

How much traffic does Dykes Road over S Fork Big Mill Creek carry?

About 120 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Dykes Road over S Fork Big Mill Creek?

The structure is 69 ft (21 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.

Who owns Dykes Road over S Fork Big Mill Creek?

It is owned by the County Highway Agency.