US Bridges

Hardie Road over Mill Creek

Good

Lamar County, Mississippi · Sec 6 T 5N R15W · Structure no. SA3700000000124

Built
2012
13 years old
Condition
Good
inspected May 2023
Type
Girder and Floorbeam System
Concrete
Length
93 ft
300 main spans
Daily traffic
200
2023 count
Owner
County
County Highway Agency

About this bridge

Hardie Road over Mill Creek is a concrete girder and floorbeam system carrying Hardie Road over Mill Creek in Lamar 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 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 200 vehicles a day, roughly 5% of them trucks, projected to reach 300 by 2045. The structure is 93 ft (28.3 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHardie Road
CrossesMill Creek
LocationSec 6 T 5N R15W
RouteCounty Highway 660
Coordinates31.42466, -89.54725
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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 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 rating48.2 US tons
Inventory rating37.1 US tons

Structure

MaterialConcrete
DeckConcrete, precast panels
Main spans300
Design loadHL 93
Structure length93 ft (28.3 m)
Longest span31 ft (9.4 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic300 by 2045
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Hardie Road over Mill Creek built?

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

What condition is Hardie Road over 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 May 2023.

How much traffic does Hardie Road over Mill Creek carry?

About 200 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Hardie Road over Mill Creek?

The structure is 93 ft (28.3 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.

Who owns Hardie Road over Mill Creek?

It is owned by the County Highway Agency.