US Bridges

CO RD 511 over Cedar Creek

Fair

Clarke County, Mississippi · Sec 1 T 1N R17E B · Structure no. SA1200000000020

Built
1974
51 years old
Condition
Fair
inspected October 2024
Type
Channel Beam
Concrete
Length
95 ft
500 main spans
Daily traffic
450
2023 count
Owner
County
County Highway Agency

About this bridge

CO RD 511 over Cedar Creek is a concrete channel beam carrying CO RD 511 over Cedar Creek in Clarke County, Mississippi. It was built in 1974, so it is 51 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 450 vehicles a day, roughly 8% of them trucks, projected to reach 675 by 2043. The structure is 95 ft (29 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCO RD 511
CrossesCedar Creek
LocationSec 1 T 1N R17E B
RouteCounty Highway 346
Coordinates31.96074, -88.50849
Functional classRural Major Collector

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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.7 US tons
Inventory rating29.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans500
Design loadH 15
Structure length95 ft (29 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2023)
Projected traffic675 by 2043
Trucks8%
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$600,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO RD 511 over Cedar Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is CO RD 511 over Cedar 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 511 over Cedar Creek carry?

About 450 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is CO RD 511 over Cedar Creek?

The structure is 95 ft (29 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns CO RD 511 over Cedar Creek?

It is owned by the County Highway Agency.