US Bridges

CR 590 over Coonewah Creek

FairPosted for load

Lee County, Mississippi · Sec 36 T10S R 5E · Structure no. SA4100000000136

Built
1983
42 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
108 ft
100 main spans
Daily traffic
300
2023 count
Owner
County
County Highway Agency

About this bridge

CR 590 over Coonewah Creek is a steel stringer/multi-beam or girder carrying CR 590 over Coonewah Creek in Lee 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 6 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 300 vehicles a day, roughly 8% of them trucks, projected to reach 450 by 2043. The structure is 108 ft (33 m) long and 30 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesCR 590
CrossesCoonewah Creek
LocationSec 36 T10S R 5E
RouteCounty Highway 173
CountyLee County
StateMississippi
Coordinates34.16247, -88.72967
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.
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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.4 US tons
Inventory rating18.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans100 (+1 approach)
Design loadUnknown
Structure length108 ft (33 m)
Longest span75 ft (23 m)
Deck width30 ft (9 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic450 by 2043
Trucks8%
Lanes on structure20
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$686,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 590 over Coonewah Creek built?

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

What condition is CR 590 over Coonewah 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 December 2023.

How much traffic does CR 590 over Coonewah Creek carry?

About 300 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is CR 590 over Coonewah Creek?

The structure is 108 ft (33 m) long with a longest span of 75 ft (23 m) and a deck 30 ft wide.

Who owns CR 590 over Coonewah Creek?

It is owned by the County Highway Agency.