US Bridges

Mc Laurin Road over Morris Branch

Fair

Forrest County, Mississippi · Sec 6 T 2N R12W B · Structure no. SA1800000000034

Built
1970
55 years old
Condition
Fair
inspected October 2024
Type
Channel Beam
Concrete
Length
57 ft
3 main spans
Daily traffic
400
2024 count
Owner
County
County Highway Agency

About this bridge

Mc Laurin Road over Morris Branch is a concrete channel beam carrying Mc Laurin Road over Morris Branch in Forrest County, Mississippi. It was built in 1970, so it is 55 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 400 vehicles a day, roughly 8% of them trucks, projected to reach 600 by 2044. The structure is 57 ft (17.4 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMc Laurin Road
CrossesMorris Branch
LocationSec 6 T 2N R12W B
RouteCounty Highway 180
Coordinates31.16756, -89.23778
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.2 US tons
Inventory rating34.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2024)
Projected traffic600 by 2044
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$208,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mc Laurin Road over Morris Branch built?

It was built in 1970, making it 55 years old in 2025.

What condition is Mc Laurin Road over Morris 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 October 2024.

How much traffic does Mc Laurin Road over Morris Branch carry?

About 400 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Mc Laurin Road over Morris Branch?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns Mc Laurin Road over Morris Branch?

It is owned by the County Highway Agency.