US Bridges

CO RD 621 over Hanging Moss Creek

Fair

Clarke County, Mississippi · Sec 22 T 1N R17E B · Structure no. SA1200000000029

Built
1983
42 years old
Condition
Fair
inspected October 2024
Type
Channel Beam
Concrete
Length
133 ft
700 main spans
Daily traffic
100
2023 count
Owner
County
County Highway Agency

About this bridge

CO RD 621 over Hanging Moss Creek is a concrete channel beam carrying CO RD 621 over Hanging Moss Creek in Clarke County, Mississippi. It was built in 1983, so it is 42 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.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 150 by 2043. The structure is 133 ft (40.5 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCO RD 621
CrossesHanging Moss Creek
LocationSec 22 T 1N R17E B
RouteCounty Highway 7
Coordinates31.91364, -88.55025
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.
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 statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating27.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans700
Design loadH 15
Structure length133 ft (40.5 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic150 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$900,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO RD 621 over Hanging Moss Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is CO RD 621 over Hanging Moss 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 621 over Hanging Moss Creek carry?

About 100 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is CO RD 621 over Hanging Moss Creek?

The structure is 133 ft (40.5 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns CO RD 621 over Hanging Moss Creek?

It is owned by the County Highway Agency.