US Bridges

CO RD 148 over Riley Mott Creek

FairPosted for load

Clarke County, Mississippi · Sec 34 T 4N R16E B · Structure no. SA1200000000141

Built
1975
50 years old
Condition
Fair
inspected October 2024
Type
Channel Beam
Concrete
Length
38 ft
200 main spans
Daily traffic
20
2024 count
Owner
County
County Highway Agency

About this bridge

CO RD 148 over Riley Mott Creek is a concrete channel beam carrying CO RD 148 over Riley Mott Creek in Clarke County, Mississippi. It was built in 1975, so it is 50 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 20 vehicles a day, roughly 4% of them trucks, projected to reach 30 by 2044. The structure is 38 ft (11.6 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCO RD 148
CrossesRiley Mott Creek
LocationSec 34 T 4N R16E B
RouteCounty Highway 75
Coordinates32.14993, -88.64825
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating22 US tons
Inventory rating10.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans200
Design loadH 15
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width20 ft (6 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic30 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$250,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO RD 148 over Riley Mott Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is CO RD 148 over Riley Mott Creek 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 CO RD 148 over Riley Mott Creek carry?

About 20 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is CO RD 148 over Riley Mott Creek?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 20 ft wide.

Who owns CO RD 148 over Riley Mott Creek?

It is owned by the County Highway Agency.