US Bridges

CO RD 23 over Merrill Branch

Good

Carroll County, Mississippi · Sec 24 T18N R 2E · Structure no. SA0800000000074

Built
2004
21 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
560
2015 count
Owner
County
County Highway Agency

About this bridge

CO RD 23 over Merrill Branch is a prestressed concrete stringer/multi-beam or girder carrying CO RD 23 over Merrill Branch in Carroll County, Mississippi. It was built in 2004, so it is 21 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 560 vehicles a day, roughly 8% of them trucks, projected to reach 840 by 2035. The structure is 120 ft (36.6 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCO RD 23
CrossesMerrill Branch
LocationSec 24 T18N R 2E
RouteCounty Highway 709
Coordinates33.40189, -90.04306
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
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 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 rating64.3 US tons
Inventory rating37.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic560 (2015)
Projected traffic840 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 CO RD 23 over Merrill Branch built?

It was built in 2004, making it 21 years old in 2025.

What condition is CO RD 23 over Merrill Branch 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 2024.

How much traffic does CO RD 23 over Merrill Branch carry?

About 560 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is CO RD 23 over Merrill Branch?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns CO RD 23 over Merrill Branch?

It is owned by the County Highway Agency.