US Bridges

County Line Road over Creek

Good

Washington County, Mississippi · Sec 2 T19N R 8W · Structure no. SA760000000A297

Built
2015
10 years old
Condition
Good
inspected April 2024
Type
Channel Beam
Concrete
Length
155 ft
5 main spans
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

County Line Road over Creek is a concrete channel beam carrying County Line Road over Creek in Washington County, Mississippi. It was built in 2015, so it is 10 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 50 vehicles a day, roughly 20% of them trucks, projected to reach 70 by 2044. The structure is 155 ft (47.2 m) long and 31 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCounty Line Road
CrossesCreek
LocationSec 2 T19N R 8W
RouteCounty Highway 578
Coordinates33.53043, -90.99721
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
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

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHL 93
Structure length155 ft (47.2 m)
Longest span31 ft (9.4 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic70 by 2044
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Line Road over Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is County Line Road over 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 April 2024.

How much traffic does County Line Road over Creek carry?

About 50 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is County Line Road over Creek?

The structure is 155 ft (47.2 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.

Who owns County Line Road over Creek?

It is owned by the County Highway Agency.