US Bridges

Merit Road over Strong River

Good

Simpson County, Mississippi · Sec 8 T 1N R 4E B · Structure no. SA6400000000019

Built
2006
19 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
541 ft
10 main spans
Daily traffic
160
2020 count
Owner
County
County Highway Agency

About this bridge

Merit Road over Strong River is a prestressed concrete stringer/multi-beam or girder carrying Merit Road over Strong River in Simpson County, Mississippi. It was built in 2006, so it is 19 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 160 vehicles a day, roughly 8% of them trucks, projected to reach 240 by 2040. The structure is 541 ft (165 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMerit Road
CrossesStrong River
LocationSec 8 T 1N R 4E B
RouteCounty Highway 173
Coordinates31.93397, -89.91631
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 inspectionMarch 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 rating83.9 US tons
Inventory rating43.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length541 ft (165 m)
Longest span100 ft (30.5 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2020)
Projected traffic240 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Merit Road over Strong River built?

It was built in 2006, making it 19 years old in 2025.

What condition is Merit Road over Strong River 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 March 2023.

How much traffic does Merit Road over Strong River carry?

About 160 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Merit Road over Strong River?

The structure is 541 ft (165 m) long with a longest span of 100 ft (30.5 m) and a deck 31 ft wide.

Who owns Merit Road over Strong River?

It is owned by the County Highway Agency.