US Bridges

CO RD 150 over Merrill Branch

FairPosted for load

Carroll County, Mississippi · Sec 19 T18N R 3E · Structure no. SA0800000000086

Built
1948
77 years old, rebuilt 2019
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
97 ft
6 main spans
Daily traffic
40
2020 count
Owner
County
County Highway Agency

About this bridge

CO RD 150 over Merrill Branch is a wood or timber stringer/multi-beam or girder carrying CO RD 150 over Merrill Branch in Carroll County, Mississippi. It was built in 1948 and reconstructed in 2019, so it is 77 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 40 vehicles a day, projected to reach 60 by 2042. The structure is 97 ft (29.7 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCO RD 150
CrossesMerrill Branch
LocationSec 19 T18N R 3E
RouteCounty Highway 150
Coordinates33.41444, -90.02397
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.9 US tons
Inventory rating16.5 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans6
Design loadH 10
Structure length97 ft (29.7 m)
Longest span23 ft (6.9 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2020)
Projected traffic60 by 2042
Trucks—
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$618,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO RD 150 over Merrill Branch built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 2019.

What condition is CO RD 150 over Merrill Branch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does CO RD 150 over Merrill Branch carry?

About 40 vehicles per day (2020 count).

How long is CO RD 150 over Merrill Branch?

The structure is 97 ft (29.7 m) long with a longest span of 23 ft (6.9 m) and a deck 20 ft wide.

Who owns CO RD 150 over Merrill Branch?

It is owned by the County Highway Agency.