US Bridges

County Road 7 over Mill Creek

Good

Union County, Mississippi · Sec 20 T 6S R 1E · Structure no. SA730000000A005

Built
2018
7 years old
Condition
Good
inspected November 2023
Type
Channel Beam
Concrete
Length
131 ft
5 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 7 over Mill Creek is a concrete channel beam carrying County Road 7 over Mill Creek in Union County, Mississippi. It was built in 2018, so it is 7 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 100 vehicles a day, roughly 8% of them trucks, projected to reach 150 by 2042. The structure is 131 ft (39.9 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCounty Road 7
CrossesMill Creek
LocationSec 20 T 6S R 1E
RouteCounty Highway 424
Coordinates34.547, -89.22683
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to 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 spans5
Design loadHL 93
Structure length131 ft (39.9 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 traffic100 (2022)
Projected traffic150 by 2042
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 7 over Mill Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is County Road 7 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 November 2023.

How much traffic does County Road 7 over Mill Creek carry?

About 100 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is County Road 7 over Mill Creek?

The structure is 131 ft (39.9 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.

Who owns County Road 7 over Mill Creek?

It is owned by the County Highway Agency.