US Bridges

CR 414 over Relief of Johnson Creek

Fair

Chickasaw County, Mississippi · Sec 17 T14S R 2E B · Structure no. SA0900000000090

Built
1992
33 years old
Condition
Fair
inspected November 2022
Type
Channel Beam
Concrete
Length
76 ft
4 main spans
Daily traffic
42
2022 count
Owner
County
County Highway Agency

About this bridge

CR 414 over Relief of Johnson Creek is a concrete channel beam carrying CR 414 over Relief of Johnson Creek in Chickasaw County, Mississippi. It was built in 1992, so it is 33 years old, younger 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 42 vehicles a day, roughly 10% of them trucks, projected to reach 60 by 2040. The structure is 76 ft (23.2 m) long and 25 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCR 414
CrossesRelief of Johnson Creek
LocationSec 17 T14S R 2E B
RouteCounty Highway 1820
Coordinates33.85811, -89.12058
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.8 US tons
Inventory rating31.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadH 15
Structure length76 ft (23.2 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 traffic42 (2022)
Projected traffic60 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed8.1 mi (13 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$230,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 414 over Relief of Johnson Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is CR 414 over Relief of Johnson 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 November 2022.

How much traffic does CR 414 over Relief of Johnson Creek carry?

About 42 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is CR 414 over Relief of Johnson Creek?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns CR 414 over Relief of Johnson Creek?

It is owned by the County Highway Agency.