US Bridges

Roberts CO Line RD over Quarterliah Creek

Good

Newton County, Mississippi · Sec 35 T 5N R10E B · Structure no. SA510000000A003

Built
2013
12 years old
Condition
Good
inspected October 2023
Type
Channel Beam
Concrete
Length
143 ft
5 main spans
Daily traffic
210
2023 count
Owner
County
County Highway Agency

About this bridge

Roberts CO Line RD over Quarterliah Creek is a concrete channel beam carrying Roberts CO Line RD over Quarterliah Creek in Newton County, Mississippi. It was built in 2013, so it is 12 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 210 vehicles a day, roughly 8% of them trucks, projected to reach 315 by 2043. The structure is 143 ft (43.6 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesRoberts CO Line RD
CrossesQuarterliah Creek
LocationSec 35 T 5N R10E B
RouteCounty Highway 21
Coordinates32.228, -89.24878
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 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 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 length143 ft (43.6 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 traffic210 (2023)
Projected traffic315 by 2043
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 Roberts CO Line RD over Quarterliah Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is Roberts CO Line RD over Quarterliah 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 October 2023.

How much traffic does Roberts CO Line RD over Quarterliah Creek carry?

About 210 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Roberts CO Line RD over Quarterliah Creek?

The structure is 143 ft (43.6 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.

Who owns Roberts CO Line RD over Quarterliah Creek?

It is owned by the County Highway Agency.